Stockholders' Equity - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended			9 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended	9 Months Ended	0 Months Ended		9 Months Ended	0 Months Ended		9 Months Ended	0 Months Ended		9 Months Ended	0 Months Ended
	Jun. 13, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2013 Restructuring Charges [Member]	Sep. 30, 2014 Stock Appreciation Rights Expense [Member]	Sep. 30, 2014 Stock Appreciation Rights Expense [Member] General and Administrative Expense [Member]	Sep. 30, 2014 Stock Appreciation Rights Expense [Member] General and Administrative Expense [Member]	Sep. 30, 2013 Stock Appreciation Rights Expense [Member] General and Administrative Expense [Member]	Sep. 30, 2013 Stock Appreciation Rights Expense [Member] General and Administrative Expense [Member] Maximum [Member]	Sep. 30, 2014 Stock Appreciation Rights Expense [Member] Restructuring Charges [Member]	Sep. 30, 2014 Performance Stock Units [Member]	Sep. 30, 2014 Performance Stock Units [Member]	Sep. 30, 2014 Performance Shares [Member]	Oct. 17, 2014 Fourth Installment [Member]	Sep. 30, 2014 Fourth Installment [Member]	Sep. 19, 2014 Third Installment [Member]	Jul. 10, 2014 Third Installment [Member]	Sep. 30, 2014 Third Installment [Member]	Jun. 20, 2014 Second Installment [Member]	May 22, 2014 Second Installment [Member]	Sep. 30, 2014 Second Installment [Member]	Mar. 21, 2014 First Installment [Member]	Feb. 18, 2014 First Installment [Member]	Sep. 30, 2014 First Installment [Member]	Dec. 19, 2014 Subsequent Event [Member] Fourth Installment [Member]	Jun. 13, 2014 Common Stock [Member]	Jun. 13, 2014 Committed Credit Facility [Member]	Jun. 13, 2014 Cash and Cash Equivalents [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock repurchase value	$ 130,000,000	$ 431,300,000		$ 431,300,000		$ 327,600,000
Number of common stock shares repurchased	3,932,244	112,500
Common stock repurchase price per share	$ 33.06
Common stock in treasury, value increase																													130,000,000
Funding of stock repurchase program																														110,000,000	20,000,000
Repurchase of common stock shares	3,932,244	112,500
Dividends declared, date																		Oct. 17, 2014			Jul. 10, 2014			May 22, 2014			Feb. 18, 2014
Dividends declared per common share																	$ 0.13			$ 0.13			$ 0.13			$ 0.13
Dividends paid				83,900,000	76,400,000														28,000,000			28,000,000			28,000,000			28,000,000
Dividends declared, payable date																		Dec. 19, 2014			Sep. 19, 2014			Jun. 20, 2014			Mar. 21, 2014
Dividends payable, date of record																		Dec. 05, 2014			Sep. 05, 2014			Jun. 06, 2014			Mar. 07, 2014
Outstanding SARs								600,000
Remaining unvested SARs								300,000
SARs expected to vest								Mar. 31, 2015
Compensation expense		1,000,000	8,700,000	3,200,000	26,800,000		1,000,000		1,000,000	3,000,000	27,000,000	9,000,000
Payments due to exercise of SARs										18,000,000	43,000,000		0
Liability for SARs									19,000,000	19,000,000			0
Adjusted free cash flow															1,700,000,000
PSU awards performance period															3 years
Percentage of reduction in amount earned based on free cash flow performance															25.00%
Stock incentive plan description																To further balance the incentives, the amount earned based on adjusted free cash flow performance will be reduced by 25% if our relative Total Stockholder Return (as defined in the award) for the performance period is below a certain percentile of an approved peer group of companies.
PSU program pay out description															50% of any PSUs earned during the performance period will be made during the first quarter of 2017. The remaining 50% of the earned PSUs is subject to an additional 2017 performance requirement, the ratio of working capital to net trade sales for 2017 (as defined in the award) and will be paid during the first quarter of 2018.
Share-based compensation expense		$ 10,300,000	$ 5,500,000	$ 36,700,000	$ 20,400,000									$ 2,000,000	$ 6,000,000