Significant Accounting Policies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Person Y	Dec. 31, 2010 Person	Dec. 31, 2009 Person
Statement [Line Items]
Purchase of noncontrolling interest			$ 8.6
Significant Accounting Policies (Textual)
Percentage of sales through direct channel	80.00%
Percentage of sales through indirect channel	20.00%
Period terms for payment	less than 90 days
Number of employees effected by restructuring	500	60	300
Reserves for doubtful accounts	17.2	14.4
Expenses incurred related to shipping and handling of products	142.1	129.1	121.8
Average estimated useful life of instruments	5
Goodwill impairment		204.0	73.0
Useful life of finite lived intangibles	1
Estimated useful lives for intangible assets with a finite life, Maximum	40
Percentage of ownership acquisition of non controlling interests			100.00%
Purchase of outstanding non controlling interests			8.6
Remaining balance of non controlling interests recorded as reduction in paid-in capital			5.0
Noncontrolling Interest
Statement [Line Items]
Purchase of noncontrolling interest			$ 3.6
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives for buildings, improvements and capitalized software, Maximum	40
Estimated useful lives for buildings, improvements and capitalized software, Minimum	10
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives for buildings, improvements and capitalized software, Maximum	8
Estimated useful lives for buildings, improvements and capitalized software, Minimum	3
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives for buildings, improvements and capitalized software, Maximum	10
Estimated useful lives for buildings, improvements and capitalized software, Minimum	3