Equity (Details) (USD $)	0 Months Ended		1 Months Ended	12 Months Ended
	Dec. 20, 2013	Apr. 23, 2013	Jul. 31, 2013	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Equity [Abstract]
Common Stock, Shares, Issued				185,983,792		185,983,792		185,983,792		185,983,792
Treasury Stock [Roll Forward]
Treasury Stock, Shares, beginning				48,313,414		46,309,476		43,012,104
Stock options and awards				(753,389)		(1,156,452)		(918,946)
Repurchases of common stock, net				5,538,078		3,160,390		4,216,318
Treasury Stock, Shares, ending				53,098,103		48,313,414		46,309,476
Accumulated Other Comprehensive Income (Loss), Net of Tax:
Deferred (loss) gain on derivative contracts				$ (6,100,000)		$ (1,500,000)
Pension and other postretirement liability adjustment				(170,500,000)		(380,400,000)
Foreign currency translation adjustments				(25,300,000)		(27,000,000)
Accumulated other comprehensive income (loss)				(201,900,000)		(408,900,000)
Dividends, payment date				Jan. 16, 2014
Dividends payable, current				18,000,000		18,700,000
Dividends, record date				Dec. 31, 2013
Dividends paid				73,600,000	[1]	47,800,000	[1]	41,200,000	[1]
Authorized repurchase amount		500,000,000
Remaining authorized repurchase amount				134,900,000
Accelerated Share Repurchases [Line Items]
Accelerated share repurchase, initial accelerated			250,000,000
Accelerated share repurchase, initial number of shares			3,145,643
Accelerated share repurchase, initial dollar amount of shares received			200,000,000
Accelerated share repurchase, initial price paid per share			$ 63.58
Accelerated share repurchase, final number of shares	3,573,907
Accelerated share repurchase, final price paid per share	$ 69.95
Parent [Member]
Accelerated Share Repurchases [Line Items]
Accelerated share repurchase, APIC	$ 50,000,000

[1] Cash paid for interest, net of capitalized interest was $39.4 million, $36.2 million and $36.3 million, and income taxes paid, net of refunds was $153.3 million, $59.0 million and $47.9 million in December 31, 2013, 2012 and 2011, respectively. Accrued additions to property, plant and equipment at December 31, 2013 and 2012 were $53.5 million and $25.3 million, respectively.