Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest [Abstract]
United States	$ 359,800,000	$ 270,281,000	$ 210,559,000
Other	245,187,000	178,113,000	129,209,000
Earnings Before Income Taxes	604,987,000	448,394,000	339,768,000
Current:
Federal	123,310,000	93,594,000	54,636,000
State	14,903,000	8,185,000	6,990,000
Foreign	41,437,000	32,706,000	23,720,000
Deferred:
Federal	1,846,000	(23,107,000)	14,880,000
Foreign	(3,756,000)	14,436,000	61,000
Total Income Taxes	177,740,000	125,814,000	100,287,000
Federal Statutory Tax Rate Reconciliation
Federal statutory rate	35.00%	35.00%	35.00%
Foreign rate differential	(3.70%)	(4.30%)	(3.90%)
R&D tax credits	(0.70%)	(0.60%)	(0.60%)
State taxes, net of federal benefit	1.70%	1.60%	1.80%
Foreign tax credits		(2.40%)
Other, net	(2.90%)	(1.20%)	(2.80%)
Effective Rate	29.40%	28.10%	29.50%
Deferred tax assets:
Reserves and accrued expenses	72,150,000	64,946,000
Inventories	7,104,000	5,947,000
Net operating loss carryforwards	20,642,000	19,600,000
Valuation allowance		(796,000)
R&D credits	1,114,000	1,047,000
Total deferred tax assets	101,010,000	90,744,000
Deferred tax liabilities:
Reserves and accrued expenses	33,861,000	33,884,000
Plant and equipment	2,677,000	6,419,000
Total deferred tax liabilities	493,151,000	475,446,000
U.S. federal net operating loss carryforwards	30,100,000
Federal tax loss carryover expiration date, earliest	2,021
Federal tax loss carryover expiration date, latest	2,031
Foreign subsidiary earnings considered permanently reinvested	874,000,000
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Beginning balance	24,765,000	22,922,000	22,638,000
Additions for tax positions of prior periods	470,000	203,000	156,000
Additions for tax positions of the current period	2,572,000	3,169,000	4,750,000
Reductions for tax positions of prior periods	558,000	565,000	250,000
Settlements with taxing authorities	4,043,000		224,000
Lapse of applicable statute of limitations	3,650,000	4,510,000	4,148,000
Ending balance	19,556,000	24,765,000	22,922,000
Unrecognized income tax benefits that, if recognized, would affect the effective income tax rate in any future periods	12,800,000
Interest and penalties related to unrecognized tax benefits	(500,000)
Accrued interest and penalties	3,500,000	4,100,000
Reduction in unrecognized tax benefits expected within twelve months of the balance sheet date	$ 3,800,000