Accumulated Other Comprehensive Income - Detail of Amount Reclassified from Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Accumulated Other Comprehensive Income Loss [Line Items]
Prior service costs									$ 0.1	$ 0.4
Amortization of actuarial loss									(9.9)	(10.1)
Settlement/curtailment loss (gain)									(2.1)
Earnings (loss) from continuing operations before income tax provision (benefit)									267.2	180.2	[1]	(1,884.4)	[1]
Income tax provision (benefit)									9.1	84.9	[1]	(265.4)	[1]	16.0
Net earnings (loss)	66.3	60.8	60.1	70.9	29.0	38.0	54.7	4.1	258.1	125.8	[1]	(1,411.4)	[1]
Other income (expense), net									8.8	(11.9)	[1]	(9.4)	[1]
Interest expenses									287.7	361.0	[1]	384.7	[1]
Total reclassifications for the period									(1.6)	4.6
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period									1.6	(4.6)		(4.0)
Unrecognized Pension Items
Accumulated Other Comprehensive Income Loss [Line Items]
Total reclassifications for the period									8.7	6.7
Unrecognized Pension Items | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Prior service costs									0.5	0.3		0.6
Amortization of actuarial loss									(10.0)	(10.4)		(6.8)
Settlement/curtailment loss (gain)									(2.1)			(0.8)
Earnings (loss) from continuing operations before income tax provision (benefit)									(11.6)	(10.1)		(7.0)
Income tax provision (benefit)									2.9	3.4		2.1
Net earnings (loss)									(8.7)	(6.7)		(4.9)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Earnings (loss) from continuing operations before income tax provision (benefit)									15.5	2.8		1.6
Income tax provision (benefit)									(5.2)	(0.7)		(0.7)
Net earnings (loss)									10.3	2.1		0.9
Foreign Currency Forward Contracts [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Other income (expense), net									1.9	2.7		(0.1)
Interest Rate Swaps [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Other income (expense), net									13.5
Treasury Lock | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Interest expenses									$ 0.1	$ 0.1		$ 1.7

[1] Certain amounts have been revised to reflect the retrospective application of the Company’s change in inventory costing method for certain U.S. inventories to the FIFO method from the LIFO method. Refer to Note 2, “Summary of Significant Accounting Policies - Inventories,” of the notes to consolidated financial statements for further details surrounding this accounting policy change.