Acquisitions (Details) - USD ($)	3 Months Ended
	Jun. 30, 2015	Sep. 30, 2015	Mar. 31, 2015
Business Acquisition [Line Items]
Total		$ 188,900,000
Goodwill	$ 121,046,000		$ 121,461,000
Stahlhammer Bommern GmbH [Member]
Business Acquisition [Line Items]
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period	16,000,000
Working capital	9,444,000
Acquired Finite-lived Intangible Asset, Residual Value	4,561,000
Long-Lived Assets	67,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	(6,487,000)
Goodwill	7,818,000
Long term debt	3,596,000
Goodwill	(1,669,000)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	25,423,000
Stahlhammer Bommern GmbH [Member]
Business Acquisition [Line Items]
Goodwill			$ 7,818,000
Stahlhammer Bommern GmbH [Member]
Business Acquisition [Line Items]
Property, plant and equipment	$ 13,616,000