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Long-Term Indebtedness - Additional Information (Details)														1 Months Ended	12 Months Ended
	Oct. 18, 2019 USD ($)	Oct. 17, 2019	Apr. 17, 2019 USD ($)	Mar. 25, 2019	Apr. 18, 2018 USD ($)	Mar. 26, 2018 USD ($)	Oct. 15, 2017 USD ($)	Apr. 13, 2017 USD ($)	Jan. 31, 2017 USD ($)	Jun. 16, 2016 USD ($)	Jun. 15, 2013 USD ($)	Dec. 21, 2012 USD ($)	Dec. 20, 2011 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Aug. 31, 2019 USD ($) agreement	Jun. 30, 2019 USD ($) agreement
Summary of Long-term debt
Debt instrument, term													5 years
Payments of debt issuance costs															$ 9,911,000	$ 793,000	$ 37,336,000
Loss on debt extinguishment															6,484,000	0	$ 37,116,000
Long-term debt															2,296,000,000
Proceeds from issuance of debt utilized for extinguishment of existing debt instruments										$ 150,000,000.0
Interest Rate Swap
Summary of Long-term debt
Notional amount																			$ 300,000,000.0
Interest Rate Swap Second Agreements
Summary of Long-term debt
Notional amount																		$ 400,000,000.0
Credit Facility 2011 - Term Loan A
Summary of Long-term debt
Debt instrument, face amount													$ 75,000,000.0
Repayment of debt												$ 72,200,000
Senior Unsecured 2021 Notes
Summary of Long-term debt
Loss on debt extinguishment														$ 36,900,000
Debt instrument, face amount												$ 800,000,000.0
Interest rate, stated percentage												5.25%
Periodic payment of interest											$ 22,300,000	$ 21,000,000.0
Amended And Restated Revolving Loan
Summary of Long-term debt
Maximum borrowing capacity															350,000,000.0
Letters of credit outstanding, amount															$ 20,800,000
Commitment fee percentage															0.30%
Amended And Restated Term Loan B
Summary of Long-term debt
Maximum borrowing capacity															$ 800,000,000.0
Periodic payment															2,000,000.0
2015 Revolving Loan
Summary of Long-term debt
Maximum borrowing capacity															250,000,000.0
Credit Facility 2015 - Term Loan B
Summary of Long-term debt
Maximum borrowing capacity															700,000,000.0
Long-term line of credit																583,750,000
Credit Facility 2015 Revolving Loan
Summary of Long-term debt
Long-term line of credit															0	43,000,000
Letters of credit outstanding, amount																18,100,000
Credit Facility 2011 - Term Loan B
Summary of Long-term debt
Payments of debt issuance costs					$ 300,000
Proceeds from lines of credit					$ 39,000,000.0
Repayment of debt												$ 277,800,000
Amended And Restated Term Loan B As Amended March 2018
Summary of Long-term debt
Basis spread reduction						0.25%
Basis spread on variable rate						1.75%
Payments of debt issuance costs						$ 500,000
Amended And Restated Term Loan B As Amended June 2017
Summary of Long-term debt
Basis spread on variable rate				2.00%
Long-term debt															$ 796,000,000.0	583,800,000
Interest rate, stated percentage															3.48%
Second Amended and Restated Credit Facility
Summary of Long-term debt
Payments of debt issuance costs			$ 8,900,000
Second Amended and Restated Revolving Loan
Summary of Long-term debt
Maximum borrowing capacity			350,000,000.0
Long-term line of credit															$ 0
Second Amended and Restated Term Loan B
Summary of Long-term debt
Maximum borrowing capacity			800,000,000.0
Basis spread reduction	25.00%
Loss on debt extinguishment	$ 300,000		$ 6,200,000
Long-term debt															796,000,000
Annual interest cost savings from borrowing rate reduction	$ 2,000,000.0
Second Amended and Restated Term Loan B \| Interest Rate Swap
Summary of Long-term debt
Number of agreements \| agreement																		2	3
Notional amount																		$ 400,000,000.0	$ 300,000,000.0
Second Amended and Restated Term Loan B \| LIBOR
Summary of Long-term debt
Basis spread on variable rate	1.75%	2.00%
Senior Unsecured 2024 Notes
Summary of Long-term debt
Payments of debt issuance costs										4,700,000
Long-term debt															1,000,000,000	1,000,000,000
Debt instrument, face amount										$ 300,000,000.0
Interest rate, stated percentage										4.875%
Periodic payment of interest								$ 24,400,000	$ 9,100,000
Senior Unsecured 2024 Notes Add-on
Summary of Long-term debt
Payments of debt issuance costs								3,900,000
Debt instrument, face amount								$ 700,000,000.0
Interest rate, stated percentage								4.875%
Senior Unsecured 2027 Notes
Summary of Long-term debt
Payments of debt issuance costs								$ 2,600,000
Long-term debt															$ 500,000,000	$ 500,000,000
Debt instrument, face amount								$ 500,000,000.0
Interest rate, stated percentage								5.50%
Periodic payment of interest							$ 13,900,000	$ 13,800,000
Amended And Restated Term Loan B As Amended December 2016
Summary of Long-term debt
Interest rate, stated percentage																4.26%