Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details)

Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2016	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2011	Mar. 31, 2017
Goodwill and Finite-Lived Intangible Assets [Line Items]
Goodwill, Cost		$ 19,917	$ 36,729
Goodwill, Net Value		19,917	36,729
Intangibles, Cost		20,447	29,447
Intangibles, Accumulated Amortization		(4,296)	(8,525)
Intangibles, Net Value		16,151	20,922
Goodwill acquired					$ 600
Additional intangible assets due to acquisitions	$ 100
Amortization of intangible assets		1,120	1,330	$ 1,338
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Amortization expense estimate for 2018		900
Amortization expense estimate for 2019		900
Amortization expense estimate for 2020		700
Amortization expense estimate for 2021		600
Amortization expense estimate for 2022		$ 600
Minimum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		4 years
Maximum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		20 years
Tradename/trademarks
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, Cost		$ 16,090	17,620
Intangibles, Accumulated Amortization		(2,193)	(2,514)
Intangibles, Net Value		$ 13,897	15,106
Tradename/trademarks \| Minimum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		20 years
Tradename/trademarks \| Maximum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		30 years
Customer relationships
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, Cost		$ 0	7,220
Intangibles, Accumulated Amortization		0	(4,016)
Intangibles, Net Value		$ 0	3,204
Intangibles, economic life (in years)		20 years
Technology
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, Cost		$ 1,220	1,220
Intangibles, Accumulated Amortization		(947)	(826)
Intangibles, Net Value		$ 273	394
Intangibles, economic life (in years)		10 years
License Agreements
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, Cost		$ 2,100	2,100
Intangibles, Accumulated Amortization		(423)	(320)
Intangibles, Net Value		$ 1,677	1,780
License Agreements \| Minimum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		15 years
License Agreements \| Maximum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		30 years
Non-compete agreements
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, Cost		$ 1,037	1,287
Intangibles, Accumulated Amortization		(733)	(849)
Intangibles, Net Value		$ 304	$ 438
Non-compete agreements \| Minimum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		4 years
Non-compete agreements \| Maximum
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles, economic life (in years)		8 years 6 months
Cost Apparel
Goodwill and Finite-Lived Intangible Assets [Line Items]
Acquisition cost	$ 313
Junkfood \| Discontinued Operations, Disposed of by Sale
Goodwill and Finite-Lived Intangible Assets [Line Items]
Decrease in goodwill						$ 16,800
Junkfood \| Discontinued Operations, Disposed of by Sale \| Trademarks
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles included in disposal						600
Junkfood \| Discontinued Operations, Disposed of by Sale \| Customer relationships
Goodwill and Finite-Lived Intangible Assets [Line Items]
Intangibles included in disposal						$ 3,000