EQUITY ROLL FORWARD (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			$ 428,549
Redeemable Noncontrolling Interest, Beginning Balance			7,291
Net income	19,297	12,585	52,211	31,590
Noncontrolling interest accretion	(200)	0	(500)	0
Share-based compensation			3,256	3,434
Currency translation adjustment	26,800	(16,800)	12,600	(200)
Pension liability, net of taxes	(500)	(500)	(1,600)	(1,500)
Equity, Ending Balance	457,631		457,631
Redeemable Noncontrolling Interest, Ending Balance	14,047		14,047
Total Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			428,549
Net income			51,947
Noncontrolling interest accretion			(521)
Dividends on common stock			(9,294)
Common stock issued			4,246
Common stock repurchased or received for stock options exercised			(10,629)
Share-based compensation			3,256
Tax benefit of stock options exercised			526
Currency translation adjustment			(12,106)
Pension liability, net of taxes			1,657
Equity, Ending Balance	457,631		457,631
Common
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			2,326
Common stock issued			16
Common stock repurchased or received for stock options exercised			(25)
Share-based compensation			5
Equity, Ending Balance	2,322		2,322
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			129,705
Common stock issued			4,230
Share-based compensation			3,251
Tax benefit of stock options exercised			526
Equity, Ending Balance	137,712		137,712
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			313,905
Net income			51,554
Noncontrolling interest accretion			(521)
Dividends on common stock			(9,294)
Common stock repurchased or received for stock options exercised			(10,604)
Currency translation adjustment
Equity, Ending Balance	345,040		345,040
Minimum Pension Liability
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			(38,485)
Pension liability, net of taxes			1,657
Equity, Ending Balance	(36,828)		(36,828)
Cumulative Translation Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			19,043
Currency translation adjustment			(12,462)
Equity, Ending Balance	6,581		6,581
Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity, Beginning Balance			2,055
Net income			393
Currency translation adjustment			356
Equity, Ending Balance	2,804		2,804
Redeemable Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redeemable Noncontrolling Interest, Beginning Balance			7,291
Net income			264
Noncontrolling interest accretion			(521)
Impo acquisition			6,521
Currency translation adjustment			(550)
Redeemable Noncontrolling Interest, Ending Balance	$ 14,047		$ 14,047