Segment Reporting Adjusted EBITDA to Net Income (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Adjusted EBITDA		$ (93,752)		$ 57,971	$ (85,473)	$ 122,105
Gain on sale of business		0		189,910	0	189,910
Impairment of assets held for sale	$ 85,622	12,391	$ 74,079	0	86,470	0
Restructuring Charges		(9,774)		(5,927)	(17,050)	(23,642)
Project Costs		(1,809)		(405)	(4,234)	(1,668)
Other impairment charges		(163)	$ (977)	(2,188)	(1,140)	(2,188)
Lease termination costs		(81)		(491)	(601)	(491)
EBITDA		(117,970)		238,870	(194,675)	284,026
Income tax expense (benefit)		38,982		(44,222)	53,099	(46,256)
Interest expense, net of interest income		(12,771)		(11,575)	(23,008)	(23,507)
Depreciation and amortization		(42,460)		(37,868)	(80,223)	(74,473)
Net (Loss) Income Attributable to Parent		(134,219)		$ 145,205	(244,807)	$ 139,790
Parent [Member]
Other impairment charges		$ (163)			$ (847)