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Note 7 - Product Warranty Obligations (Tables)

9 Months Ended

Sep. 30, 2014

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013

Balance at beginning of period		$	32,171			$	40,156			$	33,734			$	36,112
Product warranty reserve assumed in acquisition			193				-				193				-
Payments			(5,672	)			(4,571	)			(16,696	)			(14,167	)
Provision for warranties issued			5,595				7,607				17,623				27,947
Changes in estimates for pre-existing warranties			182				(5,600	)			(2,385	)			(12,300	)
Balance at end of period		$	32,469			$	37,592			$	32,469			$	37,592

		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013

Balance at beginning of period		$	25,679			$	16,729			$	23,092			$	13,473
Deferred revenue on extended warranty contracts sold			1,315				4,138				5,329				8,544
Amortization of deferred revenue on extended warranty contracts			(850	)			(600	)			(2,277	)			(1,750	)
Balance at end of period		$	26,144			$	20,267			$	26,144			$	20,267

Product Warranty Obligations Included in Consolidated Balance Sheet [Table Text Block]

		September 30,				December 31,
		2014				2013
Product warranty liability
Current portion - other accrued liabilities		$	24,961			$	26,080
Long-term portion - other long-term liabilities			7,508				7,654
Total		$	32,469			$	33,734

Deferred revenue related to extended warranty
Current portion - other accrued liabilities		$	6,377			$	3,325
Long-term portion - other long-term liabilities			19,767				19,767
Total		$	26,144			$	23,092