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Financial Instruments and Fair Value Measurements - Narrative (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) swap	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 02, 2020 USD ($)	Aug. 17, 2020 USD ($)	Apr. 02, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) related to hedge ineffectiveness	$ 0	$ 0	$ 0
Amount expected to be reclassified from other comprehensive loss into earnings	$ 2,300,000
5.25% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	5.25%					5.25%
Redeemed aggregate principal amount						$ 300,000,000.0
5.00% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	5.00%			5.00%
Redeemed aggregate principal amount				$ 550,000,000.0
4.00% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	4.00%
4.00% Senior Notes \| Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate principal amount					$ 550,000,000.0
Interest rate	4.00%
Demand Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	$ 60,000,000.0	$ 0
Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of additional forward interest rate swaps \| swap	36
Notional value	$ 798,700,000
Weighted average derivative interest rate	1.40%
Forward Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of additional forward interest rate swaps \| swap	10
Notional value	$ 575,000,000.0
Weighted average derivative interest rate	1.40%