Operating Segment and Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 09, 2016	Mar. 19, 2016	Dec. 26, 2015	Oct. 03, 2015	Jul. 11, 2015	Mar. 21, 2015	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Segment Reporting Information [Line Items]
Net revenue									$ 167,650	$ 155,542	$ 158,840
Operating income	$ 3,771	$ 5,329	$ 3,005	$ 2,478	$ 2,501	$ 1,873	$ 4,157	$ 4,287	14,583	12,818	15,504
Interest expense									834	470	546
Provision for taxes									4,049	4,068	339
Net income	3,463	$ 4,243	$ 2,090	$ 1,697	2,859	$ 2,028	$ 3,222	$ 3,497	11,493	11,606	11,817
Identifiable assets	150,761				143,737				150,761	143,737	127,881
Investments	19,030				19,644				19,030	19,644	18,949
Depreciation & amortization									5,244	5,218	4,753
Capital expenditures									2,653	5,067	2,985
Sporting Goods [Member]
Segment Reporting Information [Line Items]
Net revenue									167,650	155,542	137,975
Operating income									16,445	16,070	18,194
Interest expense (income)									802	(50)	(17)
Provision for taxes									6,173	6,356	7,420
Net income									9,489	9,771	11,394
Identifiable assets	125,780				116,013				125,780	116,013	95,506
Depreciation & amortization									5,244	5,218	4,380
Capital expenditures									2,653	5,067	2,739
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Net revenue									0	0	20,865
Operating income									0	0	(483)
Interest expense									0	0	98
Provision for taxes									0	0	(6,099)
Net income									0	0	(1,528)
Depreciation & amortization									0	0	373
Capital expenditures									0	0	246
All Other [Member]
Segment Reporting Information [Line Items]
Net revenue									0	0	0
Operating income									(1,862)	(3,252)	(2,689)
Interest expense									32	520	465
Provision for taxes									(2,124)	(2,288)	(982)
Net income									2,004	1,835	1,951
Identifiable assets	24,981				27,724				24,981	27,724	32,375
Investments	$ 19,030				$ 19,644				19,030	19,644	18,949
Depreciation & amortization									0	0	0
Capital expenditures									$ 0	$ 0	$ 0