Quarterly report pursuant to Section 13 or 15(d)

(Amended Senior Secured Credit Facility) (Details)

v3.20.2
(Amended Senior Secured Credit Facility) (Details)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Senior Secured Credit Facility Delayed Draw Term Loan A [Member]  
Debt Instrument [Line Items]  
Face amount $ 400.0
Senior Secured Credit Facility Delayed Draw Term Loan A [Member] | Minimum [Member]  
Debt Instrument [Line Items]  
Quarterly payment, percentage of principal due 0.625%
Senior Secured Credit Facility Delayed Draw Term Loan A [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Quarterly payment, percentage of principal due 1.25%
Senior Secured Credit Facility Term loan B [Member]  
Debt Instrument [Line Items]  
Face amount $ 950.0
Quarterly payment $ 2.4
Senior Secured Credit Facility Term loan B [Member] | Eurodollar [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.75%
Senior Secured Credit Facility Term loan B [Member] | Base Rate [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 0.75%
Senior Secured Credit Facility Revolving Credit Facility [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility $ 500.0
Senior Secured Credit Facility Incremental Revolving Credit Facility [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility $ 130.0
Commitment fee 1.75%
Senior Secured Credit Facility Incremental Revolving Credit Facility [Member] | Eurodollar [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.50%
Senior Secured Credit Facility Incremental Revolving Credit Facility [Member] | Base Rate [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.50%
Senior Secured Credit Facility [Member]  
Debt Instrument [Line Items]  
Senior secured leverage ratio maximum for additional borrowings 3.75
Percentage of capital stock of foreign wholly owned (first-tier) subsidiaries 65.00%
Senior Secured Credit Facility [Member] | Minimum [Member]  
Debt Instrument [Line Items]  
Additional borrowing capacity available $ 425.0
Senior Secured Credit Facility [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Additional borrowing capacity available 855.0
Senior Secured Credit Facility Revolving And Incremental Revolving Credit Facilities Combined [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility 630.0
Senior Secured Credit Facility Revolving And Incremental Revolving Credit Facilities Combined [Member] | Letter of Credit [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility 150.0
Senior Secured Credit Facility Revolving And Incremental Revolving Credit Facilities Combined [Member] | Swingline Loans [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility 50.0
Senior Secured Credit Facility Revolving And Incremental Revolving Credit Facilities Combined [Member] | Dollars, Euro or British Pound Line of Credit [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility 300.0
Senior Secured Credit Facility Revolving And Incremental Revolving Credit Facilities Combined [Member] | Other Foreign Currency Line of Credit [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity under the revolving credit facility $ 100.0
Senior Secured Credit Facility Revolving Credit Facility And Delayed Draw Term Loan A [Member]  
Debt Instrument [Line Items]  
Commitment fee 0.50%
Senior Secured Credit Facility Revolving Credit Facility And Delayed Draw Term Loan A [Member] | Eurodollar [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.25%
Senior Secured Credit Facility Revolving Credit Facility And Delayed Draw Term Loan A [Member] | Base Rate [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.25%
Senior Secured Credit Facility Revolving Credit Facility and Incremental Credit Facility and Delayed Draw Term Loan A [Member]  
Debt Instrument [Line Items]  
Outstanding letters of credit $ 67.4
Line of credit and delayed draw term loan A available for future borrowing $ 962.6