Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013 Positions	Dec. 31, 2012 Positions	Dec. 31, 2011 Positions
Business And Significant Accounting Policies [Line Items]
Percentage of sales through direct channel		80.00%
Percentage of sales through indirect channel		20.00%
Period terms for payment		90 days
Expenses incurred related to shipping and handling of products		$ 163.6	$ 139.5	$ 142.1
Number of positions effected by restructuring		170	400	500
Allowance for doubtful accounts	22.8	22.7	22.8
Goodwill impairment charge	$ 96.0		$ 96.0
Useful life of finite lived intangibles		1 year
Estimated useful lives for intangible assets with a finite life, Maximum		40 years
Instruments [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		5 years
Minimum [Member] | Building and Building Improvements [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		10 years
Minimum [Member] | Machinery and Equipment [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		3 years
Minimum [Member] | Software and Software Development Costs [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		3 years
Maximum [Member] | Building and Building Improvements [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		40 years
Maximum [Member] | Machinery and Equipment [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		8 years
Maximum [Member] | Software and Software Development Costs [Member]
Business And Significant Accounting Policies [Line Items]
Average estimated useful life		15 years