Business Acquisition - Purchase Price Allocation of the Estimated Fair Values of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2016	Sep. 30, 2015	Jul. 01, 2015	Sep. 30, 2014
Assets acquired:
Goodwill		$ 11,748	$ 16,480		$ 7,658
CBlade S.p.A. Forging & Manufacturing
Assets acquired:
Accounts receivable		6,765
Inventory		6,560
Prepaid & other current assets		1,990
Property and equipment		16,923
Intangible assets		4,434
Goodwill		8,141
Assets		44,813
Liabilities assumed:
Current maturities of long-term debt		7,920
Accounts payable and accrued liabilities		8,338
Long-term debt		6,437
Other long-term liabilities		5,399
Total purchase price		$ 16,719
Assets acquired:
Accounts receivable	$ 25
Inventory	83
Prepaid & other current assets	(9)
Property and equipment	0
Intangible assets	443
Goodwill	(619)
Assets acquired, purchase price adjustment	(77)
Liabilities assumed:
Current maturities of long-term debt	0
Accounts payable and accrued liabilities	59
Long-term debt	0
Other long-term liabilities	139
Total purchase price	$ (275)
CBlade S.p.A. Forging & Manufacturing | Scenario, Previously Reported
Assets acquired:
Accounts receivable				$ 6,740
Inventory				6,477
Prepaid & other current assets				1,999
Property and equipment				16,923
Intangible assets				3,991
Goodwill				8,760
Assets				44,890
Liabilities assumed:
Current maturities of long-term debt				7,920
Accounts payable and accrued liabilities				8,279
Long-term debt				6,437
Other long-term liabilities				5,260
Total purchase price				$ 16,994