Condensed Consolidating Results of Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net sales	$ 1,705.9	$ 1,784.7	$ 4,876.9	$ 4,941.9
Costs and expenses	1,537.1	1,599.9	4,430.2	4,503.5
Operating earnings (loss)	168.8	184.8	446.7	438.4
Other expense, net	91.9	94.1	251.5	254.8
Net income (loss)	76.9	90.7	195.2	183.6
Comprehensive income (loss)	98.9	32.0	201.0	174.8
Parent Company
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Costs and expenses	42.6	12.1	108.1	93.1
Operating earnings (loss)	(42.6)	(12.1)	(108.1)	(93.1)
Other expense, net	82.2	76.2	209.7	196.8
Equity in the income of subsidiaries	201.7	179.0	513.0	473.5
Net income (loss)	76.9	90.7	195.2	183.6
Comprehensive income (loss)	98.9	32.0	201.0	174.8
Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net sales	1,089.7	1,022.5	3,158.2	2,872.9
Costs and expenses	973.1	918.5	2,833.7	2,540.4
Operating earnings (loss)	116.6	104.0	324.5	332.5
Other expense, net	(10.9)	8.6	5.9	24.8
Equity in the income of subsidiaries	65.9	79.5	175.6	158.6
Net income (loss)	193.4	174.9	494.2	466.3
Comprehensive income (loss)	220.8	103.2	508.9	456.7
Non-Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net sales	819.3	799.0	2,259.1	2,186.5
Costs and expenses	724.5	706.1	2,028.8	1,987.5
Operating earnings (loss)	94.8	92.9	230.3	199.0
Other expense, net	20.6	9.3	35.9	33.2
Net income (loss)	74.2	83.6	194.4	165.8
Comprehensive income (loss)	103.7	15.8	200.6	157.8
Consolidation, Eliminations
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net sales	(203.1)	(36.8)	(540.4)	(117.5)
Costs and expenses	(203.1)	(36.8)	(540.4)	(117.5)
Equity in the income of subsidiaries	(267.6)	(258.5)	(688.6)	(632.1)
Net income (loss)	(267.6)	(258.5)	(688.6)	(632.1)
Comprehensive income (loss)	$ (324.5)	$ (119.0)	$ (709.5)	$ (614.5)