Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2017	Mar. 31, 2017	Mar. 31, 2016
Net income (loss)		$ (32,301)
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of tax		(712)
Comprehensive income (loss)		$ (33,013)
Predecessor [Member]
Net income (loss)	$ 298,582		$ (428,412)
Other comprehensive income (loss):
Foreign currency translation gain (loss), net of tax			1,974
Comprehensive income (loss)	$ 298,582		$ (426,438)