Acquisitions (Narratives) (Details)	3 Months Ended	12 Months Ended
	Jun. 30, 2015 USD ($) PercentItemType $ / shares	Mar. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)
Business Acquisition [Line Items]
Stated interest rate percentage	7.875%
Supplemental Deferred Purchase Price	$ 5,431,000
Restricted Cash and Cash Equivalents, Current	822,000
Restricted Cash and Cash Equivalents, Noncurrent	4,609,000
Purchase of business, net of cash acquired		$ 150,000
Business Acquisition Purchase Price Allocation Total Allocated			$ 188,900,000
Line of Credit Facility, Maximum Borrowing Capacity	75,000,000
Stahlhammer Bommern GmbH [Member]
Business Acquisition [Line Items]
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period	16,000,000
Goodwill	7,818,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	25,423,000
Other Current Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability	822,000
Unified Industries, Inc. [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Royalty Rate		10.00%
Fair Value Inputs, Royalty Rate		1.00%
Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability	4,609,000
Customer relationships | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	1,227,000	$ 2,957,000
Trademarks and Trade Names [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		1,301,000
Noncompete Agreements [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		221,000
Order or Production Backlog [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		74,000
Patents [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		82,000
Contingent Consideration Classified as Equity [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	810,000	982,000
Tax expense | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	368,000
Minimum [Member] | Contingent Consideration Classified as Equity [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		0
Maximum | Contingent Consideration Classified as Equity [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		3,681,000
Other | Contingent Consideration Classified as Equity [Member] | STB [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 13,000	172,000
Fair Value, Measurements, Nonrecurring [Member] | Significant unobservable Inputs (Level 3) | STB [Member]
Business Acquisition [Line Items]
Fair Value Inputs, Volatility Factor for Contingent Consideration | PercentItemType	0.450
Fair Value Inputs, Discount Rate for Contingent Consideration | PercentItemType	0.03
Subordinated Debt [Member]
Business Acquisition [Line Items]
Stated interest rate percentage	7.875%
Stahlhammer Bommern GmbH [Member]
Business Acquisition [Line Items]
Goodwill, Not Allocated, Amount		$ 1,669,000
Business Combination, Separately Recognized Transactions [Domain]
Business Acquisition [Line Items]
Business Acquisition, Share Price | $ / shares	$ 50.00
Incremental facility [Member]
Business Acquisition [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 75,000,000