Financial Instruments and Fair Value Measurements - Narrative (Details)		3 Months Ended		6 Months Ended
	Apr. 02, 2020 USD ($)	Jun. 30, 2020 USD ($) swap	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) swap	Jun. 30, 2019 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	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
Accumulated unrealized gains (losses), net of income taxes		(40,100,000)		(40,100,000)
Stockholders’ equity		1,215,900,000	$ 1,164,100,000	1,215,900,000	$ 1,164,100,000	$ 1,174,600,000	$ 1,255,700,000	$ 1,127,700,000	$ 1,095,700,000
Amount expected to be reclassified from other comprehensive loss into earnings		$ 3,200,000		$ 3,200,000
Interest Rate Swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of additional forward interest rate swaps | swap		37		37
Notional value		$ 904,400,000		$ 904,400,000
Weighted average interest rate		1.73%		1.73%
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		$ 608,500,000		$ 608,500,000
Weighted average interest rate		1.57%		1.57%
Accumulated income (loss) on interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stockholders’ equity							$ (5,400,000)
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