Note 7 - Earnings Per Share (Tables)

3 Months Ended

Mar. 28, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the Three Months Ended
	March 28, 2015		March 29, 2014
Net income	$	19,995	$	25,389
Average shares outstanding - Basic		22,600		22,492
Net effect of dilutive stock options and restricted share units		181		225
Average shares - Diluted		22,781		22,717
Net income per share:
Basic	$	0.88	$	1.13
Diluted	$	0.88	$	1.12