Consolidated Statements of Comprehensive Income (Loss) (Parentheticals) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Foreign currency translation gain (loss), income tax (expense) benefit		$ (777)
Predecessor [Member]
Foreign currency translation gain (loss), income tax (expense) benefit			$ (31)	$ 1,369