Supplemental Guarantor Information (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011
Condensed Consolidated Cash Flow Statements [Abstract]
Net cash provided by (used for) operating activities	$ 30,562	$ 31,150
Cash flows from investing activities:
Capital expenditures	(21,753)	(14,883)
Proceeds from disposal of tangible assets	353	1,222
Net cash used for investing activities	(21,987)	(66,079)
Cash used to acquire businesses, net of cash acquired	(587)	(52,418)
Cash flows from financing activities:
Proceeds from exercise of stock options	2,198	4,554
Tax benefit related to share-based compensation	3,909	1,796
Cash dividends paid	(4,712)	(4,718)
Debt issuance costs		(3,296)
Proceeds from settlement of derivatives	2,733
Payments under borrowing arrangements	(600)
Net cash used for financing activities	(46,472)	(1,664)
Payments under share repurchase program	(50,000)
Effect of currency exchange rate changes on cash and cash equivalents	(7,541)	7,252
Decrease in cash and cash equivalents	(45,438)	(29,341)
Cash and cash equivalents, beginning of period	382,716	358,653
Cash and cash equivalents, end of period	337,278	329,312
Issuer [Member]
Condensed Consolidated Cash Flow Statements [Abstract]
Net cash provided by (used for) operating activities	(5,586)	(14,436)
Cash flows from investing activities:
Capital expenditures	(9,471)	(9,615)
Proceeds from disposal of tangible assets	19	1,201
Net cash used for investing activities	(10,039)	(60,832)
Cash used to acquire businesses, net of cash acquired	(587)	(52,418)
Cash flows from financing activities:
Proceeds from exercise of stock options	2,198	4,554
Tax benefit related to share-based compensation	3,909	1,796
Cash dividends paid	(4,712)	(4,718)
Debt issuance costs		(3,296)
Proceeds from settlement of derivatives	2,733
Intercompany capital contributions and dividends		4,158
Payments under borrowing arrangements	(600)
Net cash used for financing activities	(46,472)	2,494
Payments under share repurchase program	(50,000)
Decrease in cash and cash equivalents	(62,097)	(72,774)
Cash and cash equivalents, beginning of period	92,586	173,699
Cash and cash equivalents, end of period	30,489	100,925
Non-Guarantor Subsidiaries [Member]
Condensed Consolidated Cash Flow Statements [Abstract]
Net cash provided by (used for) operating activities	36,148	45,586
Cash flows from investing activities:
Capital expenditures	(12,282)	(5,268)
Proceeds from disposal of tangible assets	334	21
Net cash used for investing activities	(11,948)	(5,247)
Cash flows from financing activities:
Intercompany capital contributions and dividends		(4,158)
Net cash used for financing activities		(4,158)
Effect of currency exchange rate changes on cash and cash equivalents	(7,541)	7,252
Decrease in cash and cash equivalents	16,659	43,433
Cash and cash equivalents, beginning of period	290,130	184,954
Cash and cash equivalents, end of period	$ 306,789	$ 228,387