Note 11. Share-Based Compensation (Detail) - Table of Lakes’ Stock Option Activity (USD $)	9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011
Options Outstanding	1,644,639	2,031,084
Exercisable	1,155,347	904,076
Available for Grant	874,627	699,215
Weighted-Average Exercise Price (in Dollars per share)	$ 2.92	$ 2.99
Restricted stock unit activity, net		1,667
Restricted stock unit activity, net (in Dollars per share)		$ 3.25
Options Outstanding	(116,600)	(362,946)
Available for Grant	1,000	168,996
Weighted-Average Exercise Price (in Dollars per share)	$ 2.88	$ 3.18
Granted		4,000
Granted		(4,000)
Granted (in Dollars per share)		$ 2.29
Options Outstanding	1,528,039	1,672,138	[1]
Exercisable	1,121,818	991,670	[1]
Available for Grant	875,627	865,878	[1]
Weighted-Average Exercise Price (in Dollars per share)	$ 2.92	$ 2.95	[1]

[1] Options outstanding do not include 38,337 of outstanding restricted stock units.