Goodwill and Identifiable Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended			9 Months Ended	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Sep. 30, 2011 Winslow [Member] Y	Jun. 30, 2011 Microtecnica [Member] Y	May 12, 2011 Microtecnica [Member]
Business Acquisition [Line Items]
Cash paid for acquisition, net of cash acquired				$ 49.5		$ 457.1
Identifiable intangible assets				13.0		312.4
Net deferred tax liabilities primarily related to the intangible assets						105.8
Weighted Average useful life of the intangible assets				15	27
Goodwill				43.6		214.3
Goodwill (Textual) [Abstract]
Amortization expense related to intangible assets	59.6	46.4	30.8
Estimated amortization expense related to intangible assets 2012	59
Estimated amortization expense related to intangible assets 2013	59.0
Estimated amortization expense related to intangible assets 2014	59
Estimated amortization expense related to intangible assets 2015	59
Estimated amortization expense related to intangible assets 2016	59
Indefinite lived identifiable intangible assets	$ 0