Significant Accounting Policies (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Accumulated Other Comprehensive Income (Loss) [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 7,032,000	$ 15,214,000
Common Stock Repurchase Program: [Abstract]
Authorized Amount of Repurchase of Outstanding Common Stock	100,000,000	200,000,000
Shares Repurchased (in shares)	4.8
Aggregate Cost of Shares repurchased	140,000,000
Remaining Authorized Repurchase Amount	59,000,000
Payment For Common Stock Repurchased	140,127,000	100,942,000	0
Shipping, Handling and Transportation Costs	180,000,000	177,000,000	181,000,000
property and casualty accrual for self-insured retentions and deductibles	21,000,000	21,200,000
Loss Contingency Accrual, Insurance-related Assessment, Discount Rate	1.10%	2.30%
trademark and trade names [Member]
Impaired Intangible Assets [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 13,300,000