Acquired Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

The carrying basis and accumulated amortization of recognized intangible assets are summarized in the following table:

	2017				2016
In Thousands	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	24,515	$	23,322	$	24,515	$	23,068
Non-compete agreements		2,749		2,545		2,749		2,377
Customer list		13,913		3,403		13,703		2,247
Trademarks		7,905		121		7,703		121
	$	49,082	$	29,391	$	48,670	$	27,813

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Estimated future amortization expense is summarized in the following table:

In Thousands	2018		2019		2020		2021		2022		Thereafter
Sporting Goods	$	1,379	$	1,279	$	1,234	$	1,188	$	1,182	$	5,645

Schedule of Goodwill [Table Text Block]

All goodwill is allocated to the operating segment of the business. The changes in the carrying amount of goodwill were:

In Thousands	Sporting Goods
Balance at December 26, 2015	$	20,047
Acquisition		1,409
Balance at December 31, 2016	$	21,456
Acquisition		92
Balance at December 30, 2017	$	21,548