Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
	Jan. 01, 2017	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)		$ (45,022)	$ (719,529)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization		64,439	113,236
Impairment expense			430,406
Inventory write-down			13,047
Deferred income taxes
Provision for doubtful accounts		2,032
Equity in (earnings) losses from unconsolidated affiliate		(153)
(Gain) loss on disposal of assets		(9,192)
Share-based compensation expense		19,541
Amortization of deferred financing costs		306
Accretion of original issue discount
Reorganization items, net
Changes in operating assets and liabilities:
Accounts receivable		(159,643)
Inventory		(6,978)
Prepaid and other current assets		6,741
Accounts payable		27,784
Payroll and related costs and accrued expenses		6,747
Liabilities subject to compromise
Income taxes payable		(5,200)
Other		1,744
Net cash used in operating activities		(96,854)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment		(72,547)
Proceeds from disposal of property, plant and equipment		4,039
Investment in unconsolidated affiliate
Proceeds from divestiture of non-core service lines		27,143
Payments made for business acquisitions, net of cash acquired
Net cash used in investing activities		(41,365)
Cash flows from financing activities:
Proceeds from revolving debt
Payments on revolving debt
Payments on term loans
Payments on DIP Facility
Payments of capital lease obligations
Financing costs		(1,463)
Proceeds from public offering of common stock, net of offering costs		215,920
Proceeds from issuance of common stock from Rights Offering
Employee tax withholding on restricted stock vesting		(3,870)
Excess tax expense from share-based compensation
Net cash provided by financing activities		210,587
Effect of exchange rate changes on cash		(855)
Net increase in cash and cash equivalents		71,513
Cash and cash equivalents, beginning of period	$ 181,242	181,242
Cash and cash equivalents, end of period		252,755
Predecessor [Member]
Cash flows from operating activities:
Net income (loss)	298,582		(719,529)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization			113,236
Impairment expense			430,406
Inventory write-down			13,047
Deferred income taxes	(4,613)		(105,399)
Provision for doubtful accounts			973
Equity in (earnings) losses from unconsolidated affiliate			4,501
(Gain) loss on disposal of assets			4,914
Share-based compensation expense			13,167
Amortization of deferred financing costs			48,309
Accretion of original issue discount			52,413
Reorganization items, net	(315,626)
Changes in operating assets and liabilities:
Accounts receivable			150,931
Inventory			3,169
Prepaid and other current assets			14,952
Accounts payable			(121,847)
Payroll and related costs and accrued expenses	(1,436)		25,209
Liabilities subject to compromise	(33,000)
Income taxes payable			5,442
Other			(9,914)
Net cash used in operating activities	(56,093)		(76,020)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment			(36,437)
Proceeds from disposal of property, plant and equipment			28,753
Investment in unconsolidated affiliate			(408)
Proceeds from divestiture of non-core service lines
Payments made for business acquisitions, net of cash acquired			(1,419)
Net cash used in investing activities			(9,511)
Cash flows from financing activities:
Proceeds from revolving debt			174,000
Payments on revolving debt			(10,600)
Payments on term loans			(2,650)
Payments on DIP Facility	(25,000)
Payments of capital lease obligations			(1,520)
Financing costs	(2,248)
Proceeds from public offering of common stock, net of offering costs
Proceeds from issuance of common stock from Rights Offering	200,000
Employee tax withholding on restricted stock vesting			(434)
Excess tax expense from share-based compensation			(5,592)
Net cash provided by financing activities	172,752		153,204
Effect of exchange rate changes on cash			(2,803)
Net increase in cash and cash equivalents	116,659		64,870
Cash and cash equivalents, beginning of period	64,583	$ 64,583	25,900
Cash and cash equivalents, end of period	$ 181,242		$ 90,770