- Acquisition (Details) - USD ($) $ in Thousands			9 Months Ended
	Jul. 01, 2016	Apr. 01, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired			$ (59,946)	$ (18,093)
Advantage Industrial Automation
Business Acquisition [Line Items]
Percentage of voting interest acquired		100.00%
Acquisition of business, net of cash acquired		$ (18,093)
Goodwill		7,057
Other Intangible Assets		$ 8,283
Cape Electrical Supply
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired	$ (59,946)
Goodwill	16,544
Other Intangible Assets	$ 23,586