CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May 02, 2015	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	$ 44,717	$ (31,582)	$ (38,736)	$ (37,818)	$ 50,576	$ (33,992)	$ (39,563)	$ (34,074)	$ (63,419)	$ (57,053)	$ (6,974)
Other comprehensive income (loss), net of tax:
Pension and postretirement benefit plans									3,213	4,283	(29,957)
Comprehensive loss									$ (60,206)	$ (52,770)	$ (36,931)