Acquisitions (Details) - Research Instruments [Member] - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Dec. 17, 2015
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Dec. 17, 2015
Total purchase consideration	$ 53.1
Payments to Acquire Businesses, Net of Cash Acquired	49.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		$ 10.3
Goodwill, Acquired During Period	$ 35.0
Technology-Based Intangible Assets [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		6.2
Trade Names [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		2.2
Customer Relationships [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		$ 7.8