Other Charges, Net - Schedule of Charges Incurred In Facilities Relocations, Management and Organizational Changes, and Fiscal Year change and Proposed Business Combination (Details) - USD ($) $ in Thousands	1 Months Ended	4 Months Ended	12 Months Ended
	Sep. 30, 2014	Jan. 31, 2015	Jan. 30, 2016	Sep. 30, 2014
Facilities Relocations
Pre-opening rent expense on new corporate headquarters and distribution facility		$ 780	$ 1,699	$ 798
Accelerated depreciation and amortization expense		271	233	1,127
Moving and other costs		107	763	113
Gain on sale of building	$ (4,110)			(4,110)
Total facilities relocations		1,158	2,695	(2,072)
Management and Organizational Changes
Severance and related benefits		1,687	1,787
Executive officer separation benefits			922	4,107
Consulting fees		591	1,388
Contract termination		654
Other		19	99	149
Total management and organizational changes		2,951	4,196	4,256
Fiscal Year Change
Audit and tax professional fees		1,036
Systems modifications		209	27
Total fiscal year change		1,245	27
Proposed Business Combinations
Legal and other professional fees			61	1,045
Total other charges, net		$ 5,354	$ 6,979	$ 3,229