Segment and Enterprise Wide Disclosures - Operations by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended								4 Months Ended	12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jan. 31, 2015	Jan. 30, 2016	Sep. 30, 2014	Sep. 30, 2013
Net Sales to Unaffiliated Customers
Net sales	$ 118,287	$ 119,548	$ 119,306	$ 141,612	$ 122,048	$ 134,020	$ 126,053	$ 134,838	$ 165,644	$ 498,753	$ 516,959	$ 540,259
United States
Net Sales to Unaffiliated Customers
Net sales									156,683	468,282	489,026	512,585
Long-Lived Assets
Long-Lived Assets	90,338				78,033				88,120	90,338	78,033
Foreign
Net Sales to Unaffiliated Customers
Net sales									8,961	30,471	27,933	$ 27,674
Long-Lived Assets
Long-Lived Assets	$ 3,483				$ 3,100				$ 3,143	$ 3,483	$ 3,100