Summary of Financial Information for Reportable Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Segment Reporting Information [Line Items]
Total net sales	$ 164,585	$ 184,449	$ 507,199	$ 548,085
Total Segment Profit	35,680	46,049	109,144	135,924
CCS
Segment Reporting Information [Line Items]
Total net sales	105,150	112,876	323,745	351,572
Total Segment Profit	25,044	27,166	75,703	93,917
ME
Segment Reporting Information [Line Items]
Total net sales	42,520	54,421	132,521	139,691
Total Segment Profit	8,635	16,771	27,324	30,823
SMD
Segment Reporting Information [Line Items]
Total net sales	16,915	17,152	50,933	56,822
Total Segment Profit	$ 2,001	$ 2,112	$ 6,117	$ 11,184