Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 12,464	$ 13,023
Investments	2,195us-gaap_ShortTermInvestments	1,916us-gaap_ShortTermInvestments
Trade receivables	125,720us-gaap_AccountsReceivableNetCurrent	105,743us-gaap_AccountsReceivableNetCurrent
Other receivables	4,199us-gaap_OtherReceivables	1,558us-gaap_OtherReceivables
Inventories	388,710us-gaap_InventoryNet	387,835us-gaap_InventoryNet
Prepaid expenses and other	19,850	28,299
Deferred income tax assets	15,073us-gaap_DeferredTaxAssetsNetCurrent	14,817us-gaap_DeferredTaxAssetsNetCurrent
Total current assets	568,211us-gaap_AssetsCurrent	553,191us-gaap_AssetsCurrent
Property and equipment, net	184,922us-gaap_PropertyPlantAndEquipmentNet	187,610us-gaap_PropertyPlantAndEquipmentNet
Investments	10,853us-gaap_MarketableSecuritiesNoncurrent	11,393us-gaap_MarketableSecuritiesNoncurrent
Goodwill	30,867us-gaap_Goodwill	31,995us-gaap_Goodwill
Other long-term assets	19,220us-gaap_OtherAssetsNoncurrent	21,276us-gaap_OtherAssetsNoncurrent
Total assets	814,073us-gaap_Assets	805,465us-gaap_Assets
Current liabilities:
Short-term debt	5,376us-gaap_ShortTermBorrowings	3,841us-gaap_ShortTermBorrowings
Accounts payable	66,220us-gaap_AccountsPayableCurrent	60,987us-gaap_AccountsPayableCurrent
Income taxes payable	7,228us-gaap_AccruedIncomeTaxesCurrent	2,418us-gaap_AccruedIncomeTaxesCurrent
Accrued product warranty	10,695	10,032
Customer deposits	34,183us-gaap_CustomerAdvancesCurrent	45,086us-gaap_CustomerAdvancesCurrent
Accrued payroll and related liabilities	17,899	17,265
Accrued loss reserves	3,231	3,050
Other current liabilities	21,019us-gaap_OtherLiabilitiesCurrent	18,450us-gaap_OtherLiabilitiesCurrent
Total current liabilities	165,851us-gaap_LiabilitiesCurrent	161,129us-gaap_LiabilitiesCurrent
Long-term debt	5,084us-gaap_LongTermDebtNoncurrent	7,061us-gaap_LongTermDebtNoncurrent
Deferred income tax liabilities	15,280	16,836
Other long-term liabilities	20,134us-gaap_OtherLiabilitiesNoncurrent	21,087us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	206,349us-gaap_Liabilities	206,113us-gaap_Liabilities
Shareholders' equity	604,230us-gaap_StockholdersEquity	595,166us-gaap_StockholdersEquity
Non-controlling interest	3,494us-gaap_MinorityInterest	4,186us-gaap_MinorityInterest
Total equity	607,724	599,352
Total liabilities and equity	$ 814,073	$ 805,465

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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