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Financial Instruments and Fair Value Measurements - Narrative (Details)		3 Months Ended		9 Months Ended
	Apr. 02, 2020 USD ($)	Sep. 30, 2020 USD ($) swap	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) swap	Sep. 30, 2019 USD ($)	Sep. 02, 2020 USD ($)	Aug. 17, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Premium percentage	102.625%
Gain (loss) related to hedge ineffectiveness		$ 0	$ 0	$ 0	$ 0
Stockholders’ equity		1,356,900,000	$ 1,186,300,000	1,356,900,000	$ 1,186,300,000			$ 1,215,900,000	$ 1,255,700,000	$ 1,164,100,000	$ 1,095,700,000
Amount expected to be reclassified from other comprehensive loss into earnings		$ 1,800,000		$ 1,800,000
Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of additional forward interest rate swaps \| swap		39		39
Notional value		$ 929,400,000		$ 929,400,000
Weighted average interest rate		1.69%		1.69%
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		12		12
Notional value		$ 700,000,000.0		$ 700,000,000.0
Weighted average interest rate		1.47%		1.47%
4.00% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate (as a percentage)		4.00%		4.00%
5.25% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate (as a percentage)	5.25%	5.25%		5.25%
Fully redeemed aggregate principal amount	$ 300,000,000.0
Principal amount of notes redeemed plus associated premium	$ 307,900,000
5.00% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate (as a percentage)		5.00%		5.00%		5.00%
Fully redeemed aggregate principal amount						$ 550,000,000.0
Senior Notes \| 4.00% Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt issued							$ 550,000,000.0
Interest rate (as a percentage)		4.00%		4.00%
Demand notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value		$ 30,200,000		$ 30,200,000