Acquisitions (Narrative) (Details) - Baillie Tank Equipment, Ltd. [Member] - USD ($) $ in Thousands		3 Months Ended
	Feb. 01, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Feb. 01, 2016
Business Acquisition, Name of Acquired Entity	Baillie Tank Equipment, Ltd. (“BTE”)
Business Combination, Consideration Transferred	$ 13,049
Economic purchase price	$ 15,400
Acquisition costs		$ 800
Revenue of Acquiree since Acquisition Date, Actual		1,000
Earnings of Acquiree since Acquisition Date, Actual		$ 400