Quarterly report pursuant to Section 13 or 15(d)

LONG-LIVED ASSETS (Definite-lived Intangibles) (Details)

v2.4.0.8
LONG-LIVED ASSETS (Definite-lived Intangibles) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
business
Jun. 30, 2013
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     $ 1,217,435,000  
Accumulated amortization - Beginning of period     (540,871,000)  
Net - Beginning of period     676,564,000  
Gross carrying amount - Acquisitions - current year     31,602,000  
Gross carrying amount - Acquisitions - prior year     1,104,000  
Gross carrying amount - Foreign exchange     7,399,000  
Gross carrying amount - Other     (15,509,000) [1]  
Gross carrying amount - Change     24,596,000  
Accumulated amortization - Amortization expense (33,300,000) (43,300,000) (67,899,000) (81,500,000)
Accumulated amortization - Foreign exchange     (2,272,000)  
Accumulated amortization - Other     16,656,000 [1]  
Accumulated amortization - Change     (53,515,000)  
Gross carrying amount - End of period 1,242,031,000   1,242,031,000  
Accumulated amortization - End of period (594,386,000)   (594,386,000)  
Net - End of period 647,645,000   647,645,000  
Reclassifications from indefinite-lived assets     600,000  
Number of businesses acquired     2  
Weighted-average lives of definite-lived intangible assets     6 years  
Revenue-generating contracts [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     585,094,000  
Accumulated amortization - Beginning of period     (231,053,000)  
Net - Beginning of period     354,041,000  
Gross carrying amount - Acquisitions - current year     0  
Gross carrying amount - Acquisitions - prior year     (3,994,000)  
Gross carrying amount - Foreign exchange     4,140,000  
Gross carrying amount - Other     (479,000) [1]  
Gross carrying amount - Change     (333,000)  
Accumulated amortization - Amortization expense     (24,466,000)  
Accumulated amortization - Foreign exchange     (1,316,000)  
Accumulated amortization - Other     478,000 [1]  
Accumulated amortization - Change     (25,304,000)  
Gross carrying amount - End of period 584,761,000   584,761,000  
Accumulated amortization - End of period (256,357,000)   (256,357,000)  
Net - End of period 328,404,000   328,404,000  
Client/vendor relationships [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     277,937,000  
Accumulated amortization - Beginning of period     (81,809,000)  
Net - Beginning of period     196,128,000  
Gross carrying amount - Acquisitions - current year     27,771,000  
Gross carrying amount - Acquisitions - prior year     5,098,000  
Gross carrying amount - Foreign exchange     2,832,000  
Gross carrying amount - Other     (800,000) [1]  
Gross carrying amount - Change     34,901,000  
Accumulated amortization - Amortization expense     (19,784,000)  
Accumulated amortization - Foreign exchange     (744,000)  
Accumulated amortization - Other     878,000 [1]  
Accumulated amortization - Change     (19,650,000)  
Gross carrying amount - End of period 312,838,000   312,838,000  
Accumulated amortization - End of period (101,459,000)   (101,459,000)  
Net - End of period 211,379,000   211,379,000  
Weighted-average lives of definite-lived intangible assets     7 years  
Non-compete agreements [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     137,199,000  
Accumulated amortization - Beginning of period     (101,128,000)  
Net - Beginning of period     36,071,000  
Gross carrying amount - Acquisitions - current year     1,500,000  
Gross carrying amount - Acquisitions - prior year     0  
Gross carrying amount - Foreign exchange     0  
Gross carrying amount - Other     (14,800,000) [1]  
Gross carrying amount - Change     (13,300,000)  
Accumulated amortization - Amortization expense     (7,044,000)  
Accumulated amortization - Foreign exchange     0  
Accumulated amortization - Other     15,300,000 [1]  
Accumulated amortization - Change     8,256,000  
Gross carrying amount - End of period 123,899,000   123,899,000  
Accumulated amortization - End of period (92,872,000)   (92,872,000)  
Net - End of period 31,027,000   31,027,000  
Weighted-average lives of definite-lived intangible assets     3 years  
Venue management and leaseholds [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     85,642,000  
Accumulated amortization - Beginning of period     (43,687,000)  
Net - Beginning of period     41,955,000  
Gross carrying amount - Acquisitions - current year     0  
Gross carrying amount - Acquisitions - prior year     0  
Gross carrying amount - Foreign exchange     872,000  
Gross carrying amount - Other     0 [1]  
Gross carrying amount - Change     872,000  
Accumulated amortization - Amortization expense     (3,417,000)  
Accumulated amortization - Foreign exchange     (311,000)  
Accumulated amortization - Other     0 [1]  
Accumulated amortization - Change     (3,728,000)  
Gross carrying amount - End of period 86,514,000   86,514,000  
Accumulated amortization - End of period (47,415,000)   (47,415,000)  
Net - End of period 39,099,000   39,099,000  
Technology [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     100,664,000  
Accumulated amortization - Beginning of period     (73,110,000)  
Net - Beginning of period     27,554,000  
Gross carrying amount - Acquisitions - current year     1,231,000  
Gross carrying amount - Acquisitions - prior year     0  
Gross carrying amount - Foreign exchange     (591,000)  
Gross carrying amount - Other     0 [1]  
Gross carrying amount - Change     640,000  
Accumulated amortization - Amortization expense     (10,996,000)  
Accumulated amortization - Foreign exchange     95,000  
Accumulated amortization - Other     0 [1]  
Accumulated amortization - Change     (10,901,000)  
Gross carrying amount - End of period 101,304,000   101,304,000  
Accumulated amortization - End of period (84,011,000)   (84,011,000)  
Net - End of period 17,293,000   17,293,000  
Weighted-average lives of definite-lived intangible assets     3 years  
Trademarks and naming rights [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     28,524,000  
Accumulated amortization - Beginning of period     (9,092,000)  
Net - Beginning of period     19,432,000  
Gross carrying amount - Acquisitions - current year     0  
Gross carrying amount - Acquisitions - prior year     0  
Gross carrying amount - Foreign exchange     146,000  
Gross carrying amount - Other     0 [1]  
Gross carrying amount - Change     146,000  
Accumulated amortization - Amortization expense     (2,003,000)  
Accumulated amortization - Foreign exchange     4,000  
Accumulated amortization - Other     0 [1]  
Accumulated amortization - Change     (1,999,000)  
Gross carrying amount - End of period 28,670,000   28,670,000  
Accumulated amortization - End of period (11,091,000)   (11,091,000)  
Net - End of period 17,579,000   17,579,000  
Other [Member]
        
Finite-lived Intangibles Asset [Roll Forward]        
Gross carrying amount - Beginning of period     2,375,000  
Accumulated amortization - Beginning of period     (992,000)  
Net - Beginning of period     1,383,000  
Gross carrying amount - Acquisitions - current year     1,100,000  
Gross carrying amount - Acquisitions - prior year     0  
Gross carrying amount - Foreign exchange     0  
Gross carrying amount - Other     570,000 [1]  
Gross carrying amount - Change     1,670,000  
Accumulated amortization - Amortization expense     (189,000)  
Accumulated amortization - Foreign exchange     0  
Accumulated amortization - Other     0 [1]  
Accumulated amortization - Change     (189,000)  
Gross carrying amount - End of period 4,045,000   4,045,000  
Accumulated amortization - End of period (1,181,000)   (1,181,000)  
Net - End of period $ 2,864,000   $ 2,864,000  
Weighted-average lives of definite-lived intangible assets     10 years  
[1] Other includes net downs of fully amortized assets and $0.6 million of reclassifications of certain assets from indefinite-lived intangible assets.