Acquisitions (Details) - USD ($) $ in Millions	Mar. 31, 2016	Feb. 08, 2016	Dec. 17, 2015
Genesis Genetics [Member]
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition	Mar. 31, 2016
Total purchase consideration	$ 60.0
Payments to Acquire Businesses, Net of Cash Acquired	59.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	28.6
Goodwill, Acquired During Period	27.6
The Pipette Company [Member]
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition		Feb. 08, 2016
Total purchase consideration		$ 20.2
Payments to Acquire Businesses, Net of Cash Acquired		19.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		5.6
Goodwill, Acquired During Period		14.7
Research Instruments [Member]
Business Acquisition [Line Items]
Business acquisition, effective date of acquisition			Dec. 17, 2015
Total purchase consideration			$ 53.6
Payments to Acquire Businesses, Net of Cash Acquired			50.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			10.3
Goodwill, Acquired During Period			36.1
Customer Relationships [Member] | Genesis Genetics [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	25.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	3.8
Customer Relationships [Member] | The Pipette Company [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		5.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		(0.2)
Customer Relationships [Member] | Research Instruments [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			1.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			7.3
Trade Names [Member] | Genesis Genetics [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 3.4
Trade Names [Member] | The Pipette Company [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		$ 0.4
Trade Names [Member] | Research Instruments [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			2.2
Technology-Based Intangible Assets [Member] | Research Instruments [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 6.2