Note 9 - Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Jan. 01, 2017	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Net income (loss)		$ (32,301)
Interest expense, net		691
Income Tax Expense (Benefit)		(3,236)
Depreciation and amortization		31,606
Other (income) expense, net		(1,562)
(Gain) loss on disposal of assets		(6,056)
Asset Impairment Charges
Severance, facility closures and other
Share-based compensation expense acceleration		15,658
Acquisition-related costs
Customer settlement/bad debt write-off
Inventory write-down
Other		(216)
Adjusted EBITDA		$ 4,584
Predecessor [Member]
Net income (loss)	$ 298,582		$ (428,412)	$ (944,289)
Interest expense, net			25,468
Income Tax Expense (Benefit)	(4,613)		(94,148)
Depreciation and amortization			58,953
Other (income) expense, net			(3,324)
(Gain) loss on disposal of assets			3,202
Asset Impairment Charges			381,694
Severance, facility closures and other			10,545
Share-based compensation expense acceleration			7,792
Acquisition-related costs			3,689
Customer settlement/bad debt write-off			1,468
Inventory write-down			1,267
Other
Adjusted EBITDA			$ (31,806)