Condensed Consolidating Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cash and cash equivalents	$ 580.0	$ 1,034.1	$ 481.2	$ 808.3
Accounts receivable	1,236.8	1,137.7
Inventories	1,442.4	1,310.3
Other current assets	357.7	328.3
Total current assets	3,616.9	3,810.4
Property, plant and equipment, net	664.2	678.6
Goodwill	1,821.9	1,824.0
Intangibles, net	1,245.6	1,256.7
Other non-current assets	136.1	140.9
Total assets	7,484.7	7,710.6
Short-term debt and current portion of long-term debt	520.2	504.7
Accounts payable	632.7	615.4
Other current liabilities	549.5	608.6
Total current liabilities	1,702.4	1,728.7
Long-term debt	3,346.2	3,293.4
Other non-current liabilities	918.6	928.9
Total stockholders' equity	1,517.5	1,759.6
Total liabilities and stockholders' equity	7,484.7	7,710.6
Parent Company
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cash and cash equivalents	151.6	560.2	50.4	335.4
Other current assets	36.3	16.5
Total current assets	187.9	576.7
Property, plant and equipment, net	33.4	34.1
Intercompany receivables	1,329.6	2,961.3
Investment in subsidiaries	5,952.3	5,895.6
Other non-current assets	70.2	73.4
Total assets	7,573.4	9,541.1
Short-term debt and current portion of long-term debt	111.1	100.1
Accounts payable	2.9	5.3
Other current liabilities	85.3	83.7
Total current liabilities	199.3	189.1
Long-term debt	3,327.2	3,275.7
Intercompany payables	2,466.7	4,251.9
Other non-current liabilities	62.7	64.8
Total stockholders' equity	1,517.5	1,759.6
Total liabilities and stockholders' equity	7,573.4	9,541.1
Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cash and cash equivalents	3.9	5.0	1.8	28.7
Accounts receivable	10.8	17.8
Inventories	840.1	760.3
Other current assets	149.6	143.4
Total current assets	1,004.4	926.5
Property, plant and equipment, net	285.4	296.8
Goodwill	1,566.1	1,564.7
Intangibles, net	1,051.3	1,055.5
Intercompany receivables	1,846.7	3,939.6
Investment in subsidiaries	1,848.0	1,844.2
Other non-current assets	4.9	4.7
Total assets	7,606.8	9,632.0
Short-term debt and current portion of long-term debt	0.5	0.5
Accounts payable	372.7	354.6
Other current liabilities	222.8	259.0
Total current liabilities	596.0	614.1
Long-term debt	4.1	4.2
Intercompany payables	234.7	2,336.5
Other non-current liabilities	682.1	697.8
Total stockholders' equity	6,089.9	5,979.4
Total liabilities and stockholders' equity	7,606.8	9,632.0
Non-Guarantor Subsidiaries
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Cash and cash equivalents	424.5	468.9	429.0	444.2
Accounts receivable	1,226.0	1,119.9
Inventories	602.3	550.0
Other current assets	171.8	168.4
Total current assets	2,424.6	2,307.2
Property, plant and equipment, net	345.4	347.7
Goodwill	255.8	259.3
Intangibles, net	194.3	201.2
Intercompany receivables	668.6	3,629.4
Other non-current assets	61.0	62.8
Total assets	3,949.7	6,807.6
Short-term debt and current portion of long-term debt	408.6	404.1
Accounts payable	257.1	255.5
Other current liabilities	241.4	265.9
Total current liabilities	907.1	925.5
Long-term debt	14.9	13.5
Intercompany payables	1,143.5	3,941.9
Other non-current liabilities	173.8	166.3
Total stockholders' equity	1,710.4	1,760.4
Total liabilities and stockholders' equity	3,949.7	6,807.6
Eliminations
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Intercompany receivables	(3,844.9)	(10,530.3)
Investment in subsidiaries	(7,800.3)	(7,739.8)
Total assets	(11,645.2)	(18,270.1)
Intercompany payables	(3,844.9)	(10,530.3)
Total stockholders' equity	(7,800.3)	(7,739.8)
Total liabilities and stockholders' equity	$ (11,645.2)	$ (18,270.1)