Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2012

Significant Accounting Policies [Abstract]

Changes in the warranty reserve

Balance at the beginning of the period (October 1, 2011)	$	2,123
Accruals for warranties issued during the period		1,225
Settlements made (in cash or in kind) during the period		(1,069	)
Balance at the end of the period (June 30, 2012)	$	2,279