Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ (944,289)	$ (872,542)	$ 68,823
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	217,440	276,353	108,145
Impairment expense	436,395	791,807
Inventory write-down	35,350	31,109
Contingent consideration adjustment	(4,700)	(11,147)
Deferred income taxes	(129,533)	(273,144)	33,185
Provision for doubtful accounts, net of write-offs	1,735	8,071	700
Equity (earnings) loss from unconsolidated affiliate	5,663	(500)	(471)
(Gain) loss on disposal of assets	3,075	(544)	(17)
Share-based compensation expense	17,740	18,549	18,350
Amortization of deferred financing costs	48,310	10,926	1,168
Accretion of original issue discount	52,414	6,187
Reorganization items	30,611
Changes in operating assets and liabilities:
Accounts receivable	137,075	278,150	(135,784)
Inventories	4,244	21,123	(50,001)
Prepaid expenses and other current assets	24,447	(26,821)	(12,154)
Accounts payable	(75,016)	(168,607)	132,420
Payroll and related costs and accrued expenses	35,028	17,400	14,157
Income taxes receivable (payable)	3,604	(108)	(301)
Other	(6,965)	(3,257)	3,717
Net cash provided by (used in) operating activities	(107,372)	103,005	181,837
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment	(57,909)	(166,321)	(307,598)
Proceeds from disposal of property, plant and equipment	32,809	4,468	719
Payments made for business acquisitions, net of cash acquired	(1,419)	(663,303)	(33,533)
Investment in unconsolidated subsidiary	(408)		(3,000)
Net cash used in investing activities	(26,927)	(825,156)	(343,412)
Cash flows from financing activities:
Proceeds from revolving debt	174,000	338,000	229,000
Payments on revolving debt	(10,600)	(532,000)	(64,000)
Proceeds from term loans		1,001,400
Payments on term loans	(2,650)	(7,950)
Proceeds from DIP Facility	23,000
Payments of capital lease obligations	(2,388)	(3,874)	(4,165)
Financing costs	(1,009)	(55,450)	(2,265)
Proceeds from issuance of common shares for stock options exercised		453	833
Registration costs associated with issuance of common shares		(1,465)
Employee tax withholding on restricted shares vesting	(497)	(2,621)	(4,378)
Excess tax benefit (expense) from share-based compensation	5,592	2,367	(2,153)
Net cash provided by financing activities	174,264	734,126	157,178
Effect of exchange rate on cash	(1,282)	3,908
Net increase (decrease) in cash and cash equivalents	38,683	15,883	(4,397)
Cash and cash equivalents, beginning of period	25,900	10,017	14,414
Cash and cash equivalents, end of period	$ 64,583	$ 25,900	$ 10,017