Business Restructuring Charges (Details) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	$ 20.0
Charged to Expense	10.3
Cash Payments	(9.9)
Non-cash Adjustments	(3.3)
Accrual, ending balance	17.1
Severance and retention [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	12.9
Charged to Expense	1.2
Cash Payments	(3.5)
Accrual, ending balance	10.6
Product transfer costs [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	1.4
Charged to Expense	0.8
Cash Payments	(2.1)
Accrual, ending balance	0.1
Facility decommission costs [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	1.6
Charged to Expense	1.1
Cash Payments	(2.6)
Accrual, ending balance	0.1
Accelerated depreciation [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	0
Charged to Expense	2.2
Non-cash Adjustments	(2.2)
Accrual, ending balance	0
Cost of sales [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	15.9
Charged to Expense	5.3
Cash Payments	(8.2)
Non-cash Adjustments	(2.2)
Accrual, ending balance	10.8
R&D [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	3.1
Charged to Expense	2.9
Cash Payments	(1.2)
Accrual, ending balance	4.8
Accelerated depreciation - R&D [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	0
Charged to Expense	0.7
Non-cash Adjustments	(0.7)
Accrual, ending balance	0
Selling, general and administrative [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	1.0
Charged to Expense	1.0
Cash Payments	(0.5)
Accrual, ending balance	1.5
Accelerated depreciation - S,G & A [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	0
Charged to Expense	0.4
Non-cash Adjustments	(0.4)
Accrual, ending balance	0
Operating expenses [Member]
Activity related to business restructuring and facility rationalization
Accrual, beginning balance	4.1
Charged to Expense	5.0
Cash Payments	(1.7)
Non-cash Adjustments	(1.1)
Accrual, ending balance	$ 6.3