CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue	$ 658,977	$ 1,049,361
Cost of revenue	611,515	787,563
Selling, general and administrative	198,873	151,391
Operating (loss) income	(151,411)	110,407
Other income (expense):
Interest expense, net	(37,442)	(38,013)
Equity method (loss) income	(686)	533
Other, net	(47,486)	(1,870)
Total other expense, net	(85,614)	(39,350)
(Loss) Income from continuing operations before income taxes	(237,025)	71,057
Provision for income taxes	(27,254)	11,843
(Loss) Income from continuing operations	(209,771)	59,214
Loss from discontinued operations, net of tax	(2,126)	(1,452)
Net (loss) income	(211,897)	57,762
Net income attributable to noncontrolling interests	783	912
Net (loss) income attributable to common stockholders	$ (212,680)	$ 56,850
Basic net (loss) income per share attributable to common stockholders:
(Loss) Income from continuing operations (in dollars per share)	$ (0.77)	$ 0.21
Loss from discontinued operations (in dollars per share)	(0.01)	(0.01)
Net (loss) income per common share (in dollars per share)	(0.78)	0.20
Diluted net (loss) income per share attributable to common stockholders:
(Loss) Income from continuing operations (in dollars per share)	(0.77)	0.21
Loss from discontinued operations (in dollars per share)	(0.01)	(0.01)
Net (loss) income per common share (in dollars per share)	$ (0.78)	$ 0.20
Weighted-average common shares outstanding:
Basic (in shares)	274,037	275,589
Diluted (in shares)	274,037	277,605
Dividends per common share (in dollars per share)	$ 0.14	$ 0.14