Condensed Consolidating Results of Operations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Condensed Income Statements, Captions [Line Items]
Net sales	$ 2,256.3	$ 2,142.2	$ 5,993.5	$ 5,849.1
Cost of sales	1,562.8	1,468.9	4,192.0	4,059.4
Gross profit	693.5	673.3	1,801.5	1,789.7
Selling, general and administrative expenses	443.3	442.7	1,388.0	1,303.2
Restructuring costs, net	0.5	0.5	5.0	3.1
Operating earnings (loss)	249.7	230.1	408.5	483.4
Interest expense, net	57.2	52.7	162.0	159.6
Loss on early extinguishment of debt				54.4
Income (loss) before taxes and equity earnings of subsidiaries	192.5	177.4	246.5	269.4
Income tax provision (benefit)	72.3	68.8	95.9	105.0
Net income (loss)	120.2	108.6	150.6	164.4
Other comprehensive income (loss), net of tax	(71.8)	(53.5)	(152.9)	(50.3)
Comprehensive income (loss)	48.4	55.1	(2.3)	114.1
Parent Company
Condensed Income Statements, Captions [Line Items]
Selling, general and administrative expenses	32.6	28.6	118.3	93.4
Restructuring costs, net			2.0
Operating earnings (loss)	(32.6)	(28.6)	(120.3)	(93.4)
Interest expense, net	36.3	33.7	104.1	104.3
Loss on early extinguishment of debt				54.4
Income (loss) before taxes and equity earnings of subsidiaries	(68.9)	(62.3)	(224.4)	(252.1)
Income tax provision (benefit)	(26.0)	(23.5)	(84.9)	(94.8)
Equity earnings of subsidiaries	163.1	147.4	290.1	321.7
Net income (loss)	120.2	108.6	150.6	164.4
Other comprehensive income (loss), net of tax	(71.8)	(53.5)	(152.9)	(50.3)
Comprehensive income (loss)	48.4	55.1	(2.3)	114.1
Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Net sales	1,560.9	1,487.7	4,245.0	4,037.9
Cost of sales	1,101.6	1,057.5	3,045.5	2,914.9
Gross profit	459.3	430.2	1,199.5	1,123.0
Selling, general and administrative expenses	211.7	268.6	774.5	774.2
Restructuring costs, net			1.5
Operating earnings (loss)	247.6	161.6	423.5	348.8
Interest expense, net	16.5	16.6	49.0	49.1
Income (loss) before taxes and equity earnings of subsidiaries	231.1	145.0	374.5	299.7
Income tax provision (benefit)	87.4	54.9	141.7	113.4
Equity earnings of subsidiaries	24.8	50.9	57.4	112.7
Net income (loss)	168.5	141.0	290.2	299.0
Other comprehensive income (loss), net of tax	(56.9)	(92.7)	(95.3)	(86.0)
Comprehensive income (loss)	111.6	48.3	194.9	213.0
Non-Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Net sales	938.6	873.8	2,375.4	2,428.4
Cost of sales	704.4	630.7	1,773.4	1,761.7
Gross profit	234.2	243.1	602.0	666.7
Selling, general and administrative expenses	199.0	145.5	495.2	435.6
Restructuring costs, net	0.5	0.5	1.5	3.1
Operating earnings (loss)	34.7	97.1	105.3	228.0
Interest expense, net	4.4	2.4	8.9	6.2
Income (loss) before taxes and equity earnings of subsidiaries	30.3	94.7	96.4	221.8
Income tax provision (benefit)	10.9	37.4	39.1	86.4
Net income (loss)	19.4	57.3	57.3	135.4
Other comprehensive income (loss), net of tax	(69.8)	(112.3)	(132.3)	(106.2)
Comprehensive income (loss)	(50.4)	(55.0)	(75.0)	29.2
Eliminations
Condensed Income Statements, Captions [Line Items]
Net sales	(243.2)	(219.3)	(626.9)	(617.2)
Cost of sales	(243.2)	(219.3)	(626.9)	(617.2)
Equity earnings of subsidiaries	(187.9)	(198.3)	(347.5)	(434.4)
Net income (loss)	(187.9)	(198.3)	(347.5)	(434.4)
Other comprehensive income (loss), net of tax	126.7	205.0	227.6	192.2
Comprehensive income (loss)	$ (61.2)	$ 6.7	$ (119.9)	$ (242.2)