Segment Reporting Details 1 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting [Abstract]
Earnings Before Taxes	$ 349,177	$ 307,513	$ 224,762
Amortization	17,808	14,842	11,844
Interest Expense	23,226	20,057	25,117
Restructuring Charges	5,912	4,866	31,368
Other Charges (Income), Net	2,380	4,164	1,384
Total Segment Profit	$ 398,503	$ 351,442	$ 294,475