Product Warranties (Tables)

3 Months Ended

Mar. 31, 2015

Guarantees [Abstract]

Summary of Changes in Product Warranties Reserve

The following table reflects the changes in the Company’s warranty reserve during the three months ended March 31, 2015 and 2014:

	Three Months Ended March 31,
	2015			2014
Warranty reserve, beginning of period	$	94,060		$	101,507
Provision		9,081			10,260
Payments		(13,398	)		(13,002	)
Warranty reserve, end of period	$	89,743		$	98,765