Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Net loss	$ (20,409)	$ (39,226)	$ (34,825)	$ (74,100)
Other comprehensive income, net of tax:
Decrease in postretirement plan liability (net of tax expense of $30)			47
Total comprehensive loss	$ (20,409)	$ (39,226)	$ (34,778)	$ (74,100)