Year ended September 30,

2011

2010

2009

Balance at beginning of year

$

1,845

$

5,249

$

4,930

Additions to reserve

3,063

1,594

1,486

Deductions

(1,643

)

(4,998

)

(1,167

)

Balance at end of year

$

3,265

$

1,845

$

5,249