Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets, Gross [Abstract]
Accrued compensation, principally postretirement and other employee benefits	$ 197,253,000	$ 168,350,000
Accrued expenses, principally for state income taxes, interest and warranty	46,739,000	54,913,000
Net operating loss and other carryforwards	107,959,000	24,409,000
Inventories, principally due to reserves for financial reporting purposes and capitalization for tax purposes	23,239,000	18,192,000
Accounts receivable, principally due to allowance for doubtful accounts	5,479,000	5,039,000
Accrued insurance	5,002,000	3,947,000
Long-term liabilities, principally warranty, environmental and exit costs	2,781,000	796,000
Other assets	9,235,000	13,335,000
Total gross deferred tax assets	397,687,000	288,981,000
Valuation allowance	(18,887,000)	(20,855,000)
Total deferred tax assets	378,800,000	268,126,000
Deferred Tax Liabilities, Gross [Abstract]
Intangible assets, principally due to different tax and financial reporting bases and amortization lives	(719,904,000)	(512,585,000)
Plant and equipment, principally due to differences in depreciation	(65,480,000)	(57,245,000)
Accounts receivable	(5,725,000)	(6,442,000)
Total gross deferred tax liabilities	(791,109,000)	(576,272,000)
Deferred Tax Liabilities, Net	(412,309,000)	(308,146,000)
Deferred Tax Assets, Net, Classification [Abstract]
Current deferred tax asset	49,935,000	40,376,000
Non-current deferred tax liability	(462,244,000)	(348,522,000)
Undistributed earnings of international subsidiaries	$ 1,800,000,000