Segment Information - Reconciliation (Details) - USD ($)	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting [Abstract]
Segment profit													$ 1,193,300,000	$ 1,237,600,000	$ 959,400,000
General and administrative expenses													(152,600,000)	(140,300,000)	(128,600,000)
Gain (loss) on disposition of assets													1,900,000	(400,000)	0
Depreciation and amortization													(617,000,000.0)	(577,300,000)	(545,300,000)
Impairments	$ (947,000,000.0)	$ 0	$ 0	$ (186,500,000)	$ (341,200,000)	$ (24,600,000)	$ 0	$ 0	$ (8,300,000)	$ (1,800,000)	$ 0	$ (7,000,000.0)	(1,133,500,000)	(365,800,000)	(17,100,000)
Loss on secured term loan receivable													(52,900,000)	0	0
Gain on litigation settlement													0	0	26,000,000.0
Operating income (loss)	$ (821,700,000)	$ 96,500,000	$ 53,100,000	$ (88,700,000)	$ (190,100,000)	$ 89,800,000	$ 148,800,000	$ 105,300,000	$ 96,900,000	$ 72,100,000	$ 68,900,000	$ 56,500,000	$ (760,800,000)	$ 153,800,000	$ 294,400,000