EQUITY ROLL FORWARD Details (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			$ 428,549
Redeemable Noncontrolling Interest, Beginning Balance			7,291
Net income	22,007	11,451	32,910	19,003
Noncontrolling interest accretion	(200)	0	(300)	0
Share-based compensation			2,216	2,578
Currency translation adjustment	(3,700)	11,800	(14,200)	16,700
Pension liability, net of taxes	(500)	(600)	(1,100)	(1,000)
Equity, Ending Balance	465,115		465,115
Redeemable Noncontrolling Interest, Ending Balance	14,732		14,732
Total Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			428,549
Net income			32,636
Noncontrolling interest accretion			(292)
Dividends on common stock			(6,167)
Common stock issued			3,423
Common stock repurchased or received for stock options exercised			(10,629)
Share-based compensation			2,216
Tax benefit of stock options exercised			471
Currency translation adjustment			13,803
Pension liability, net of taxes			1,105
Equity, Ending Balance	465,115		465,115
Common
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			2,326
Common stock issued			12
Common stock repurchased or received for stock options exercised			(25)
Share-based compensation			5
Equity, Ending Balance	2,318		2,318
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			129,705
Common stock issued			3,411
Share-based compensation			2,211
Tax benefit of stock options exercised			471
Equity, Ending Balance	135,798		135,798
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			313,905
Net income			32,330
Noncontrolling interest accretion			(292)
Dividends on common stock			(6,167)
Common stock repurchased or received for stock options exercised			(10,604)
Currency translation adjustment			(28)
Equity, Ending Balance	329,144		329,144
Minimum Pension Liability
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			(38,485)
Pension liability, net of taxes			1,105
Equity, Ending Balance	(37,380)		(37,380)
Cumulative Translation Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			19,043
Currency translation adjustment			13,325
Equity, Ending Balance	32,368		32,368
Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			2,055
Net income			306
Currency translation adjustment			506
Equity, Ending Balance	2,867		2,867
Redeemable Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redeemable Noncontrolling Interest, Beginning Balance			7,291
Net income			274
Noncontrolling interest accretion			(292)
Impo acquisition			6,521
Currency translation adjustment			354
Redeemable Noncontrolling Interest, Ending Balance	$ 14,732		$ 14,732