Segment Reporting Adjusted EBITDA to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Adjusted EBITDA	$ 43,526	$ 69,571	$ 167,991	$ 300,115
Gain on sale of business	(1,730)	0	188,180	0
Restructuring Charges	(5,572)	(2,703)	(29,214)	(19,841)
Impairment charges	(1,958)	0	(4,146)	0
Project Costs	(335)	0	(2,003)	0
Lease termination costs	(512)	0	(1,003)	0
Gain on sale of land	0	10,714	0	10,714
Other Depreciation and Amortization	0	(535)	0	(535)
Loss on refinancing and extinguishment of debt	0	0	0	(770)
EBITDA	33,419	77,047	319,805	289,683
Income tax expense (benefit)	574	1,190	(45,996)	(19,831)
Interest expense, net of interest income	(10,351)	(9,983)	(33,858)	(29,756)
Depreciation and amortization	(37,495)	(36,098)	(111,968)	(109,271)
Net (Loss) Income Attributable to Parent	$ (13,853)	$ 32,156	$ 127,983	$ 130,825