Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2017	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)		$ (32,301)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		31,606
Impairment expense
Inventory write-down
Deferred income taxes
Provision for doubtful accounts, net of write-offs		576
Equity in earnings from unconsolidated affiliate		182
(Gain) loss on disposal of assets		(6,056)
Share-based compensation expense		16,882
Amortization of deferred financing costs		153
Accretion of original issue discount
Reorganization items, net
Changes in operating assets and liabilities:
Accounts receivable		(94,514)
Inventory		(5,006)
Prepaid and other current assets		5,675
Accounts payable		8,525
Payroll and related costs and accrued expenses		(594)
Liabilities subject to compromise
Income taxes payable		(2,694)
Other		(336)
Net cash used in operating activities		(77,902)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment		(11,585)
Proceeds from disposal of property, plant and equipment		1,502
Proceeds from divestiture of non-core service lines		26,698
Net cash provided by (used in) investing activities		16,615
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		(206)
Proceeds from issuance of common shares for rights offering		0
Employee tax withholding on restricted stock vesting		(3,773)
Excess tax expense from share-based compensation
Net cash provided by (used in) financing activities		(3,979)
Effect of exchange rate changes on cash		(858)
Net increase (decrease) in cash and cash equivalents		(66,124)
Cash and cash equivalents, beginning of period	$ 181,242	181,242
Cash and cash equivalents, end of period		115,118
Predecessor [Member]
Cash flows from operating activities:
Net income (loss)	298,582		$ (428,412)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization			58,953
Impairment expense			381,694
Inventory write-down			1,267
Deferred income taxes	(4,613)		(94,148)
Provision for doubtful accounts, net of write-offs			508
Equity in earnings from unconsolidated affiliate			156
(Gain) loss on disposal of assets			3,202
Share-based compensation expense			11,923
Amortization of deferred financing costs			2,279
Accretion of original issue discount			2,079
Reorganization items, net	(315,626)
Changes in operating assets and liabilities:
Accounts receivable			96,247
Inventory			817
Prepaid and other current assets			6,119
Accounts payable			(70,004)
Payroll and related costs and accrued expenses	(1,436)		(6,701)
Liabilities subject to compromise	(33,000)
Income taxes payable			5,556
Other			(1,106)
Net cash used in operating activities	(56,093)		(29,571)
Cash flows from investing activities:
Purchases of and deposits on property, plant and equipment			(18,667)
Proceeds from disposal of property, plant and equipment			12,009
Proceeds from divestiture of non-core service lines
Net cash provided by (used in) investing activities			(6,658)
Cash flows from financing activities:
Proceeds from revolving debt			174,000
Payments on revolving debt			(8,000)
Payments on term loans			(2,650)
Payments on DIP Facility	(25,000)
Payments of capital lease obligations			(810)
Financing costs	(2,248)
Proceeds from issuance of common shares for rights offering	200,000
Employee tax withholding on restricted stock vesting			(315)
Excess tax expense from share-based compensation			(5,592)
Net cash provided by (used in) financing activities	172,752		156,633
Effect of exchange rate changes on cash			(2,769)
Net increase (decrease) in cash and cash equivalents	116,659		117,635
Cash and cash equivalents, beginning of period	64,583	$ 64,583	25,900
Cash and cash equivalents, end of period	$ 181,242		$ 143,535