Note 4 - Debt - Summary of Interest Expense (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 01, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Amortization of deferred financing costs				$ 306
Accretion of original issue discount
Amortization of deferred financing costs				306
Interest income and other		$ (322)		(391)
Interest expense, net		414		1,105
Accretion of Original Issue Discount [Member]
Accretion of original issue discount
Amortization of Deferred Financing Costs [Member]
Amortization of deferred financing costs		153		306
Amortization of deferred financing costs		153		306
Original Issue Discount Accelerated Amortization [Member]
Accretion of original issue discount					$ 48,221
Deferred Financing Costs Accelerated Amortization [Member]
Amortization of deferred financing costs					43,720
Amortization of deferred financing costs					43,720
Predecessor [Member]
Amortization of deferred financing costs					48,309
Accretion of original issue discount					52,413
Amortization of deferred financing costs					48,309
Interest income and other			$ (89)		(106)
Interest expense, net			121,934		147,401
Predecessor [Member] | Accretion of Original Issue Discount [Member]
Accretion of original issue discount			2,113		4,192
Predecessor [Member] | Amortization of Deferred Financing Costs [Member]
Amortization of deferred financing costs			2,310		4,589
Amortization of deferred financing costs			2,310		4,589
Predecessor [Member] | Original Issue Discount Accelerated Amortization [Member]
Accretion of original issue discount			48,221
Predecessor [Member] | Deferred Financing Costs Accelerated Amortization [Member]
Amortization of deferred financing costs			43,720
Amortization of deferred financing costs			43,720
Amended Credit Facility [Member]
Interest expense, debt, excluding amortization		426		876
Amended Credit Facility [Member] | Predecessor [Member]
Interest expense, debt, excluding amortization
Original Credit Agreement [Member]
Interest expense, debt, excluding amortization
Original Credit Agreement [Member] | Predecessor [Member]
Interest expense, debt, excluding amortization			25,322		46,215
Capital Lease Obligations [Member]
Interest expense, debt, excluding amortization		$ 157		$ 314
Capital Lease Obligations [Member] | Predecessor [Member]
Interest expense, debt, excluding amortization			$ 337		$ 570