Condensed Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 4,937	$ 6,524	$ 12,226	$ 19,037
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	21	(39)	30	90
Total comprehensive income	$ 4,958	$ 6,485	$ 12,256	$ 19,127