Warranty Reserves (Tables)

6 Months Ended

Jun. 30, 2011

Warranty Reserves

Warranty Reserves

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Balance at beginning of period	$	33,615		$	54,054		$	34,704		$	59,022
Expense provisions		1,034			2,220			1,875			3,210
Cash payments		(1,617	)		(2,611	)		(3,116	)		(4,640	)
Adjustments		(1,832	)		(1,677	)		(2,263	)		(5,606	)
Balance at end of period	$	31,200		$	51,986		$	31,200		$	51,986