Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 29, 2017	Jul. 30, 2016
Net loss	$ (10,778)	$ (14,416)
Other comprehensive income, net of tax:
Decrease in postretirement plan liability (net of deferred tax expense of $0 and $30, respectively)		47
Total comprehensive loss	$ (10,778)	$ (14,369)