Business Restructuring Charges - Schedule of Activity Related to Business Restructuring and Facility Rationalization (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		$ 65.1
Charged to Expense	24.7	41.1
Cash Payments		(32.0)
Non-cash Adjustments		(18.7)
Accrual, ending balance	55.5	55.5
Severance and retention [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		14.9
Charged to Expense		8.2
Cash Payments		(0.8)
Non-cash Adjustments		0.9
Accrual, ending balance	23.2	23.2
Product transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		0.5
Charged to Expense		5.6
Cash Payments		(5.6)
Non-cash Adjustments		(0.2)
Accrual, ending balance	0.3	0.3
Facility decommission costs [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		7.3
Charged to Expense		0.1
Cash Payments		(1.5)
Non-cash Adjustments
Accrual, ending balance	5.9	5.9
Accelerated depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance
Charged to Expense		13.6
Cash Payments
Non-cash Adjustments		(13.6)
Accrual, ending balance
Research and development [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		3.4
Charged to Expense		2.8
Cash Payments		(1.4)
Non-cash Adjustments		(1.1)
Accrual, ending balance	3.7	3.7
Accelerated depreciation R & D [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance
Charged to Expense		1.8
Cash Payments
Non-cash Adjustments		(1.8)
Accrual, ending balance
Selling, general and administrative [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		39.0
Charged to Expense		6.8
Cash Payments		(22.7)
Non-cash Adjustments		(0.7)
Accrual, ending balance	22.4	22.4
Accelerated depreciation SG&A [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance
Charged to Expense		2.2
Cash Payments
Non-cash Adjustments		(2.2)
Accrual, ending balance
Cost of sales [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		22.7
Charged to Expense		27.5
Cash Payments		(7.9)
Non-cash Adjustments		(12.9)
Accrual, ending balance	29.4	29.4
Operating expenses [Member]
Restructuring Cost and Reserve [Line Items]
Accrual, beginning balance		42.4
Charged to Expense		13.6
Cash Payments		(24.1)
Non-cash Adjustments		(5.8)
Accrual, ending balance	$ 26.1	$ 26.1