Contingencies (Tables)

9 Months Ended

Sep. 30, 2012

Notes to Financial Statements [Abstract]

Warranty Accrual Activity Table

Balance at December 31, 2011	$	8,147
Additions charged to costs and expenses		9,216
Deductions		(7,806	)
Other		54
Balance at September 30, 2012	$	9,611