Note 13 - Segment Information - EBITDA Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Jan. 01, 2017	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income		$ 56,995	$ 10,484	$ (12,721)	$ (32,301)	$ (118,371)	$ (106,390)	$ (291,116)	$ (428,412)	$ 22,457	$ 22,457
Interest expense, net										1,527
Income tax benefit										(39,760)
Depreciation and amortization										140,650
Other (income) expense, net										(3)
Gain on disposal of assets										(31,463)
Asset Impairment Charges
Business Combination, Acquisition Related Costs										4,606
Severance, facility closures and other										5,954
Restructuring costs										11,236
Reorganization costs
Inventory write-down
Share-based compensation expense acceleration										15,658
Immaterial accounts payable accrual correction
Adjusted EBITDA										130,862
Predecessor [Member]
Net income	$ 298,582											$ (944,289)	$ (872,542)
Interest expense, net												157,465	82,086
Income tax benefit	(4,613)											(129,010)	(299,093)
Depreciation and amortization												217,440	276,353
Other (income) expense, net												(9,504)	(8,773)
Gain on disposal of assets												3,075	(544)
Asset Impairment Charges												436,395	791,807
Business Combination, Acquisition Related Costs												10,534	42,662
Severance, facility closures and other												34,179	16,881
Restructuring costs												30,401
Reorganization costs	(293,969)									$ (293,969)		55,330
Inventory write-down												35,350	31,109
Share-based compensation expense acceleration												7,792
Immaterial accounts payable accrual correction													(13,190)
Adjusted EBITDA												$ (94,842)	$ 46,756