Intangibles (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill Details [Abstract]

Schedule of Goodwill [Table Text Block]

Goodwill as of September 30, 2012		$	61,841
	Acquisition activity		9,225
	Foreign currency adjustments		(592)
Goodwill as of March 31, 2013		$	70,474

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

		March 31,		September 30,
	Useful Lives	2013		2012
Amortizing:
Customer relationships	9-20 years	$	34,841	$	31,045
Covenants not to compete	1-5 years		450		710
Technology	11 years		5,830		5,830
Other	2-7 years		1,090		1,084
			42,211		38,669
Accumulated amortization			(8,616)		(7,640)
			33,595		31,029
Non-Amortizing:
Trade names and patents			7,590		7,677
		$	41,185	$	38,706

Schedule of Expected Amortization Expense [Table Text Block]

	Amount
Remainder of 2013	$	1,586
2014		3,043
2015		2,741
2016		2,619
2017		2,547
Thereafter		21,059
	$	33,595