Financial Instruments - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
USD Interest Rate Swap Contract One [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 50,000,000.0	$ 50,000,000.0
Fixed interest rate	2.878%	2.878%
USD Interest Rate Swap Contract Two [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 50,000,000.0	$ 50,000,000.0
Fixed interest rate	2.878%	2.878%
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Cash and cash equivalents	$ 191,082,000	$ 191,082,000
Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Cash and cash equivalents	191,082,000	191,082,000
Bank debt [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	1,296,534,000	1,296,534,000
Bank debt [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	1,296,534,000	1,296,534,000
4 3/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	300,000,000	300,000,000
4 3/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	303,813,000	303,813,000
3 1/4% Senior Notes due 2025 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	728,520,000	728,520,000
3 1/4% Senior Notes due 2025 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	734,592,000	734,592,000
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	599,035,000	599,035,000
Four and One Eighth Percent Senior Notes Due 2028 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	594,750,000	594,750,000
Two and One Quarter Percent Senior Notes Due 2028 | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	560,400,000	560,400,000
Two and One Quarter Percent Senior Notes Due 2028 | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	540,450,000	540,450,000
Derivative, Notional Amount (1) | Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	7,259,000	7,259,000
Derivative, Notional Amount (1) | Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Long-Term Debt	$ 7,259,000	$ 7,259,000
3 1/4% Senior Notes due 2025 [Member]
Derivative [Line Items]
Senior note interest rate (percent)	3.25%	3.25%	3.25%	3.25%
4 3/4% Senior Notes due 2025 [Member]
Derivative [Line Items]
Senior note interest rate (percent)	4.75%	4.75%	4.75%	4.75%
Four and One Eighth Percent Senior Notes Due 2028 [Member]
Derivative [Line Items]
Senior note interest rate (percent)	4.125%	4.125%	4.125%
Two and One Quarter Percent Senior Notes Due 2028
Derivative [Line Items]
Senior note interest rate (percent)	2.25%	2.25%
Accumulated Translation Adjustment [Member]
Derivative [Line Items]
Foreign currency (losses) gains of net investment hedges included in accumulated other comprehensive loss	$ (15,600,000)	$ (16,200,000)