Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2012	Sep. 30, 2011
Net sales:
Net sales from continuing operations	$ 31,549	$ 30,968	$ 34,079	$ 28,510	$ 30,282	$ 28,875	$ 26,804	$ 21,396	$ 125,106	$ 107,357
Operating income (loss):
Consolidated operating income									9,346	10,855
Interest expense, net									471	128
Foreign currency exchange loss (gain)									(25)	5
Other income, net									(467)	(470)
Consolidated income from continuing operations before income tax provision	1,669	3,302	2,696	1,733	3,500	2,879	3,002	1,857	9,400	11,238
Depreciation and amortization expense:
Consolidated depreciation and amortization expense									6,671	4,386
LIFO expense for the Forged Components Group									1,563	479
Capital Expenditures:
Consolidated capital expenditure									3,521	3,293
Identifiable assets
Consolidated total assets	106,545				80,011				106,545	80,011
Non - U.S. subsidiaries:
Net sales from continuing operations	31,549	30,968	34,079	28,510	30,282	28,875	26,804	21,396	125,106	107,357
Operating income (loss) from continuing operations									9,346	10,855
Identifiable assets (excluding cash) of continuing operations	106,545				80,011				106,545	80,011
Foreign Country [Member]
Net sales:
Net sales from continuing operations									5,612	5,010
Operating income (loss):
Consolidated operating income									470	369
Identifiable assets
Consolidated total assets	4,511				4,422				4,511	4,422
Non - U.S. subsidiaries:
Net sales from continuing operations									5,612	5,010
Operating income (loss) from continuing operations									470	369
Identifiable assets (excluding cash) of continuing operations	4,511				4,422				4,511	4,422
Forged Components Group [Member]
Net sales:
Net sales from continuing operations									102,900	84,145
Operating income (loss):
Consolidated operating income									12,938	13,000
Depreciation and amortization expense:
Consolidated depreciation and amortization expense									5,855	3,542
Capital Expenditures:
Consolidated capital expenditure									2,915	2,798
Identifiable assets
Consolidated total assets	84,519				58,361				84,519	58,361
Non - U.S. subsidiaries:
Net sales from continuing operations									102,900	84,145
Operating income (loss) from continuing operations									12,938	13,000
Identifiable assets (excluding cash) of continuing operations	84,519				58,361				84,519	58,361
Turbine Component Services and Repair Group [Member]
Net sales:
Net sales from continuing operations									7,184	9,047
Operating income (loss):
Consolidated operating income									(1,416)	(277)
Depreciation and amortization expense:
Consolidated depreciation and amortization expense									341	308
Capital Expenditures:
Consolidated capital expenditure									410	219
Identifiable assets
Consolidated total assets	3,480				3,758				3,480	3,758
Non - U.S. subsidiaries:
Net sales from continuing operations									7,184	9,047
Operating income (loss) from continuing operations									(1,416)	(277)
Identifiable assets (excluding cash) of continuing operations	3,480				3,758				3,480	3,758
Applied Surface Concepts Group [Member]
Net sales:
Net sales from continuing operations									15,022	14,165
Operating income (loss):
Consolidated operating income									1,064	1,025
Depreciation and amortization expense:
Consolidated depreciation and amortization expense									379	426
Capital Expenditures:
Consolidated capital expenditure									196	276
Identifiable assets
Consolidated total assets	6,437				6,217				6,437	6,217
Non - U.S. subsidiaries:
Net sales from continuing operations									15,022	14,165
Operating income (loss) from continuing operations									1,064	1,025
Identifiable assets (excluding cash) of continuing operations	6,437				6,217				6,437	6,217
Corporate unallocated expenses [Member]
Operating income (loss):
Consolidated operating income									(3,240)	(2,893)
Depreciation and amortization expense:
Consolidated depreciation and amortization expense									96	110
Non - U.S. subsidiaries:
Operating income (loss) from continuing operations									(3,240)	(2,893)
Corporate [Member]
Identifiable assets
Consolidated total assets	12,109				11,675				12,109	11,675
Non - U.S. subsidiaries:
Identifiable assets (excluding cash) of continuing operations	$ 12,109				$ 11,675				$ 12,109	$ 11,675