Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		9 Months Ended
	Jan. 01, 2017	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)		$ (34,539)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization		100,709
Impairment expense
Inventory write-down
Deferred income taxes
Provision for doubtful accounts		3,648
(Gain) loss on disposal of assets		(10,517)
Share-based compensation expense		22,109
Amortization of deferred financing costs		430
Accretion of original issue discount
Reorganization items, net
Changes in operating assets and liabilities:
Accounts receivable		(207,907)
Inventory		(20,441)
Prepaid and other current assets		11,222
Accounts payable		45,018
Payroll and related costs and accrued expenses		24,629
Liabilities subject to compromise
Other		4,805
Net cash used in operating activities		(60,834)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment		(151,445)
Proceeds from disposal of property, plant and equipment and non-core service lines		36,741
Other payments related to non-core service lines
Net cash used in investing activities		(114,704)
Cash flows from financing activities:
Proceeds from revolving debt
Payments on revolving debt and term loan
Proceeds from DIP Facility
Payments on DIP Facility
Payments of capital lease obligations
Financing costs		(1,739)
Proceeds from issuance of common stock, net of offering costs		215,920
Employee tax withholding on restricted stock vesting		(3,842)
Excess tax expense from share-based compensation
Net cash provided by financing activities		210,339
Effect of exchange rate changes on cash		(2,919)
Net increase in cash and cash equivalents		31,882
Cash and cash equivalents, beginning of period	$ 181,242	181,242
Cash and cash equivalents, end of period		213,124
Predecessor [Member]
Cash flows from operating activities:
Net income (loss)	298,582		$ (825,921)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization			164,557
Impairment expense			430,406
Inventory write-down			13,399
Deferred income taxes	(4,613)		(126,522)
Provision for doubtful accounts			1,021
(Gain) loss on disposal of assets			4,220
Share-based compensation expense			15,523
Amortization of deferred financing costs			49,318
Accretion of original issue discount			52,913
Reorganization items, net	(315,626)		37,582
Changes in operating assets and liabilities:
Accounts receivable			125,911
Inventory			7,624
Prepaid and other current assets			19,640
Accounts payable			(91,481)
Payroll and related costs and accrued expenses	(1,436)		43,780
Liabilities subject to compromise	(33,000)
Other			(4,714)
Net cash used in operating activities	(56,093)		(82,744)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment			(44,606)
Proceeds from disposal of property, plant and equipment and non-core service lines			30,775
Other payments related to non-core service lines			(1,827)
Net cash used in investing activities			(15,658)
Cash flows from financing activities:
Proceeds from revolving debt			174,000
Payments on revolving debt and term loan			(13,250)
Proceeds from DIP Facility			24,500
Payments on DIP Facility	(25,000)
Payments of capital lease obligations			(2,171)
Financing costs	(2,248)		(1,009)
Proceeds from issuance of common stock, net of offering costs	200,000
Employee tax withholding on restricted stock vesting			(409)
Excess tax expense from share-based compensation			(5,592)
Net cash provided by financing activities	172,752		176,069
Effect of exchange rate changes on cash			(2,156)
Net increase in cash and cash equivalents	116,659		75,511
Cash and cash equivalents, beginning of period	64,583	$ 64,583	25,900
Cash and cash equivalents, end of period	$ 181,242		$ 101,411