Stock-Based Compensation (Details) (USD $)	12 Months Ended												1 Months Ended	12 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Restricted Stock Units RSU [Member]	Dec. 31, 2010 Restricted Stock Units RSU [Member]	Dec. 31, 2009 Restricted Stock Units RSU [Member]	Dec. 31, 2011 Stock Appreciation Rights SARS Total [Member] years	Dec. 31, 2010 Stock Appreciation Rights SARS Total [Member]	Dec. 31, 2009 Stock Appreciation Rights SARS Total [Member]	Dec. 31, 2011 Performance Shares Total [Member]	Dec. 31, 2010 Performance Shares Total [Member]	Dec. 31, 2009 Performance Shares Total [Member]	Feb. 29, 2012 Performance Shares Dec 2008 Grant [Member]	Dec. 31, 2011 Performance Shares Dec 2008 Grant [Member]	Dec. 31, 2011 Performance Shares Dec 2007 Grant [Member]	Dec. 31, 2011 Performance Shares Feb 2007 Grant [Member]	Dec. 31, 2011 Cost of Sales [Member]	Dec. 31, 2010 Cost of Sales [Member]	Dec. 31, 2009 Cost of Sales [Member]	Dec. 31, 2011 Selling and administrative [Member]	Dec. 31, 2010 Selling and administrative [Member]	Dec. 31, 2009 Selling and administrative [Member]
Share Based Compensation Allocation And Classification In Financial Statements [Abstract]
Award plan shares available for issuance	6,900,000
Shares issued to non-employee directors	12,568	15,750	6,000
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Pre-tax stock-based compensation cost																	$ 700,000	$ 500,000	$ 500,000	$ 14,400,000	$ 10,900,000	$ 9,800,000
Capitalized to inventory	200,000	100,000	100,000
Income tax benefits	5,700,000	4,300,000	3,900,000
Unrecognized compensation cost related to non-vested awards	18,500,000
Share Based Compensation Arrangement By Share Based Payment Award Fair Value [Line Items]
Expected term							5.5	6.0	7.0	3	3	3
Expected volatility							30.20%	28.00%	26.50%	35.90%	38.80%	38.60%
Dividend Yield							2.60%	2.70%	3.20%	2.40%	2.40%	3.00%
Risk Free Interest Rate							1.10%	1.90%	3.00%	0.40%	0.80%	1.40%
Performance Share Measurement Date Stock Price										$ 64.48	$ 59.95	$ 46.96
Weighted Average Grant Date SAR Fair Value							$ 13.70	$ 12.79	$ 9.83
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested [RollForward]
Outstanding Beginning				230,000			2,473,000
Granted				111,000			331,000			39,456	31,671	34,592
Exercised							(459,000)
Vested				(134,000)										93,800	31,548	41,123
Forfeited				(2,000)			(5,000)
Outstanding Ending				205,000	230,000		2,340,000	2,473,000
Exercisable							1,672,000
Nonvested Weighted Average Grant Date FairValue				$ 60.60	$ 48.13					$ 83.12	$ 80.11	$ 61.81
Grants In Period Weighted Average Grant Date Fair Value				$ 65.10	$ 58.18	$ 46.23
Vested In Period Weighted Average Grant Date FairValue				$ 43.01
Forfeited In Period Weighted Average Grant Date Fair Value				$ 53.31
SARS Outstanding Shares Weighted Average Exercise Price							$ 50.71	$ 46.65
SARS Granted Shares Weighted Average Exercise Price							$ 64.48
SARS Exercised Shares Weighted Average Exercise Price							$ 38.68
SARS Forfeited Shares Weighted Average Exercise Price							$ 58.84
SARS Exercisable Shares Weighted Average Exercise Price							$ 47.06
Vested In Period Total Fair Value				8,700,000	7,200,000	5,300,000							7,000,000		2,000,000	1,800,000
Outstanding Weighted Average Remaining Contractual Term							7.0
Exercisable Weighted Average Remaining Contractual Term							6.1
Outstanding Intrinsic Value							37,797,000
Exercisable Intrinsic Value							33,119,000
Performance based criteria plan payout range	0%-200%
Market Based Criteria Actual Payout Percentage													187.00%		170.00%	183.00%
Performance based criteria actual payout percentage															66.00%	82.00%
SARS Exercised Intrinsic Value							12,000,000	2,800,000	200,000
Performance Share Payout At Target										100.00%
Share Based Compensation Arrangement By Share Based Payment Award Fair Value [Line Items]
Expected term							5.5	6.0	7.0	3	3	3
Expected volatility							30.20%	28.00%	26.50%	35.90%	38.80%	38.60%
Dividend Yield							2.60%	2.70%	3.20%	2.40%	2.40%	3.00%
Risk Free Interest Rate							1.10%	1.90%	3.00%	0.40%	0.80%	1.40%
Performance Share Measurement Date Stock Price										$ 64.48	$ 59.95	$ 46.96
Weighted Average Grant Date SAR Fair Value							$ 13.70	$ 12.79	$ 9.83
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested [RollForward]
Outstanding Beginning				230,000			2,473,000
Granted				111,000			331,000			39,456	31,671	34,592
Exercised							(459,000)
Vested				(134,000)										93,800	31,548	41,123
Forfeited				(2,000)			(5,000)
Outstanding Ending				205,000	230,000		2,340,000	2,473,000
Exercisable							1,672,000
Nonvested Weighted Average Grant Date FairValue				$ 60.60	$ 48.13					$ 83.12	$ 80.11	$ 61.81
Grants In Period Weighted Average Grant Date Fair Value				$ 65.10	$ 58.18	$ 46.23
Vested In Period Weighted Average Grant Date FairValue				$ 43.01
Forfeited In Period Weighted Average Grant Date Fair Value				$ 53.31
SARS Outstanding Shares Weighted Average Exercise Price							$ 50.71	$ 46.65
SARS Granted Shares Weighted Average Exercise Price							$ 64.48
SARS Exercised Shares Weighted Average Exercise Price							$ 38.68
SARS Forfeited Shares Weighted Average Exercise Price							$ 58.84
SARS Exercisable Shares Weighted Average Exercise Price							$ 47.06
Vested In Period Total Fair Value				8,700,000	7,200,000	5,300,000							7,000,000		2,000,000	1,800,000
Outstanding Weighted Average Remaining Contractual Term							7.0
Exercisable Weighted Average Remaining Contractual Term							6.1
Outstanding Intrinsic Value							37,797,000
Exercisable Intrinsic Value							33,119,000
Performance based criteria plan payout range	0%-200%
Market Based Criteria Actual Payout Percentage													187.00%		170.00%	183.00%
Performance based criteria actual payout percentage															66.00%	82.00%
SARS Exercised Intrinsic Value							12,000,000	2,800,000	200,000
Performance Share Payout At Target										100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options Exercises In Period Total Intrinsic Value	12,000,000	22,800,000	2,500,000
Tax benefit on stock-based awards	(8,200,000)	(9,700,000)	(1,300,000)
Proceeds from exercise of stock options	21,900,000	49,300,000	5,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options Outstanding Beginning	1,178,000
Canceled	(3,000)
Options Outstanding Ending	653,000	1,178,000
Options Exercisable	653,000
Options Exercisable Weighted Average Remaining Contractual Term	2.5
Options Exercisable Intrinsic Value	13,876,000
Options Outstanding Weighted Average Remaining Contractual Term	2.5
Options Outstanding Intrinsic Value	$ 13,876,000
Options, Outstanding, Weighted Average Exercise Price	$ 45.62	$ 43.98
Options, Exercises in Period, Weighted Average Exercise Price	$ 41.99
Options, Expirations in Period, Weighted Average Exercise Price	$ 32.01
Options, Exercisable, Weighted Average Exercise Price	$ 45.62