Business Acquisitions and Divestitures Intangible Assets Acquired (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 31, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values		$ 6,178
Lavante [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values	$ 6,178
Trademarks [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values		0
Trademarks [Member] | Lavante [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values	$ 163
Acquired Finite-lived Intangible Assets, Remaining useful lives (in months)	48 months
Patents [Member] | Lavante [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values	$ 114
Acquired Finite-lived Intangible Assets, Remaining useful lives (in months)	12 months
Software
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values		$ 5,901
Software | Lavante [Member]
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired, Fair Values	$ 5,901
Acquired Finite-lived Intangible Assets, Remaining useful lives (in months)	48 months