EQUITY ROLL FORWARD (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			$ 516,986
Redeemable noncontrolling interest, beginning balance			5,263
Net income	28,439	25,242	44,054	48,401
Equity, ending balance	546,658		546,658
Redeemable noncontrolling interest, ending balance	5,511		5,511
Total Equity
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			516,986
Net income			43,975
Dividends on common stock			(7,113)
Common stock issued			9,782
Common stock repurchased or received for stock options exercised			(9,376)
Share-based compensation			3,337
Tax benefit of stock options exercised			3,573
Currency translation adjustment			(15,829)
Pension liability, net of taxes			1,323
Equity, ending balance	546,658		546,658
Common Stock
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			4,712
Common stock issued			64
Common stock repurchased or received for stock options exercised			(28)
Share-based compensation			6
Equity, ending balance	4,754		4,754
Additional Paid in Capital
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			170,890
Common stock issued			9,727
Share-based compensation			3,331
Tax benefit of stock options exercised			3,573
Equity, ending balance	187,521		187,521
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			395,950
Net income			43,591
Dividends on common stock			(7,113)
Common stock issued			(9)
Common stock repurchased or received for stock options exercised			(9,348)
Equity, ending balance	423,071		423,071
Minimum Pension Liability
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			(56,936)
Pension liability, net of taxes			1,323
Equity, ending balance	(55,613)		(55,613)
Cumulative Translation Adjustment
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			(210)
Currency translation adjustment			(15,699)
Equity, ending balance	(15,909)		(15,909)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			2,580
Net income			384
Currency translation adjustment			(130)
Equity, ending balance	2,834		2,834
Redeemable Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Redeemable noncontrolling interest, beginning balance			5,263
Net income			79
Currency translation adjustment			169
Redeemable noncontrolling interest, ending balance	$ 5,511		$ 5,511