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SEGMENT DATA, Revenues and Identifiable Assets by Geographic Region (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Mar. 31, 2011
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||||||||||
| Revenue | $ 1,437,227 | $ 1,963,146 | $ 1,550,677 | $ 867,997 | $ 1,185,682 | $ 1,790,025 | $ 1,558,882 | $ 849,409 | $ 5,819,047 | $ 5,383,998 | $ 5,063,748 |
| Long-lived assets | 721,786 | 720,136 | 721,786 | 720,136 | 737,064 | ||||||
|
United Kingdom Operations [Member]
|
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| Revenues from External Customers and Long-Lived Assets [Line Items] | |||||||||||
| Revenue | 711,989 | 686,982 | 575,985 | ||||||||
| Long-lived assets | 87,790 | 85,614 | 87,790 | 85,614 | 73,634 | ||||||
|
Other Foreign Operations [Member]
|
|||||||||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||||||||||
| Revenue | 1,368,768 | 1,387,295 | 1,044,288 | ||||||||
| Long-lived assets | 102,706 | 99,459 | 102,706 | 99,459 | 82,624 | ||||||
|
Total Foreign Operations [Member]
|
|||||||||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||||||||||
| Revenue | 2,080,757 | 2,074,277 | 1,620,273 | ||||||||
| Long-lived assets | 190,496 | 185,073 | 190,496 | 185,073 | 156,258 | ||||||
|
Total Domestic Operations [Member]
|
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| Revenues from External Customers and Long-Lived Assets [Line Items] | |||||||||||
| Revenue | 3,738,290 | 3,309,721 | 3,443,475 | ||||||||
| Long-lived assets | $ 531,290 | $ 535,063 | $ 531,290 | $ 535,063 | $ 580,806 | ||||||