CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 27, 2014	Mar. 29, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 22,888	$ 0	$ 0
Restricted cash	710	405	720
Accounts receivable, net	260,926us-gaap_AccountsReceivableNetCurrent	195,912us-gaap_AccountsReceivableNetCurrent	242,433us-gaap_AccountsReceivableNetCurrent
Inventories:
Raw materials	221,360us-gaap_InventoryRawMaterials	183,770us-gaap_InventoryRawMaterials	168,310us-gaap_InventoryRawMaterials
Finished goods	183,351us-gaap_InventoryFinishedGoods	156,278us-gaap_InventoryFinishedGoods	143,700us-gaap_InventoryFinishedGoods
Total inventories	404,711us-gaap_InventoryNet	340,048us-gaap_InventoryNet	312,010us-gaap_InventoryNet
Refundable income taxes	0us-gaap_IncomeTaxesReceivable	11,934us-gaap_IncomeTaxesReceivable	0us-gaap_IncomeTaxesReceivable
Deferred income taxes	6,267us-gaap_DeferredTaxAssetsNetCurrent	6,284us-gaap_DeferredTaxAssetsNetCurrent	6,850us-gaap_DeferredTaxAssetsNetCurrent
Other current assets	13,717us-gaap_OtherAssetsCurrent	18,423us-gaap_OtherAssetsCurrent	20,339us-gaap_OtherAssetsCurrent
TOTAL CURRENT ASSETS	709,219us-gaap_AssetsCurrent	573,006us-gaap_AssetsCurrent	582,352us-gaap_AssetsCurrent
DEFERRED INCOME TAXES	1,163us-gaap_DeferredTaxAssetsNetNoncurrent	1,079us-gaap_DeferredTaxAssetsNetNoncurrent	1,307us-gaap_DeferredTaxAssetsNetNoncurrent
OTHER ASSETS	8,511us-gaap_OtherAssetsNoncurrent	9,565us-gaap_OtherAssetsNoncurrent	11,757us-gaap_OtherAssetsNoncurrent
GOODWILL	184,064us-gaap_Goodwill	183,062us-gaap_Goodwill	160,945us-gaap_Goodwill
INDEFINITE-LIVED INTANGIBLE ASSETS	2,340us-gaap_IndefiniteLivedTradeNames	2,340us-gaap_IndefiniteLivedTradeNames	2,340us-gaap_IndefiniteLivedTradeNames
OTHER INTANGIBLE ASSETS, NET	6,709us-gaap_FiniteLivedIntangibleAssetsNet	6,479us-gaap_FiniteLivedIntangibleAssetsNet	6,664us-gaap_FiniteLivedIntangibleAssetsNet
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment	620,146us-gaap_PropertyPlantAndEquipmentGross	604,398us-gaap_PropertyPlantAndEquipmentGross	587,159us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	(364,684)	(356,129)	(345,740)
PROPERTY, PLANT AND EQUIPMENT, NET	255,462us-gaap_PropertyPlantAndEquipmentNet	248,269us-gaap_PropertyPlantAndEquipmentNet	241,419us-gaap_PropertyPlantAndEquipmentNet
TOTAL ASSETS	1,167,468us-gaap_Assets	1,023,800us-gaap_Assets	1,006,784us-gaap_Assets
CURRENT LIABILITIES:
Cash overdraft	21,585us-gaap_BankOverdrafts	621us-gaap_BankOverdrafts	12,151us-gaap_BankOverdrafts
Accounts payable	114,225us-gaap_AccountsPayableCurrent	89,105us-gaap_AccountsPayableCurrent	91,015us-gaap_AccountsPayableCurrent
Accrued liabilities:
Compensation and benefits	52,011	62,143	35,596
Income taxes	4,218us-gaap_AccruedIncomeTaxesCurrent	0us-gaap_AccruedIncomeTaxesCurrent	458us-gaap_AccruedIncomeTaxesCurrent
Other	23,097us-gaap_OtherAccruedLiabilitiesCurrent	23,591us-gaap_OtherAccruedLiabilitiesCurrent	21,000us-gaap_OtherAccruedLiabilitiesCurrent
Current portion of long-term debt	21us-gaap_LongTermDebtCurrent	0us-gaap_LongTermDebtCurrent	0us-gaap_LongTermDebtCurrent
TOTAL CURRENT LIABILITIES	215,157us-gaap_LiabilitiesCurrent	175,460us-gaap_LiabilitiesCurrent	160,220us-gaap_LiabilitiesCurrent
LONG-TERM DEBT, less current portion	187,020us-gaap_LongTermDebtNoncurrent	98,645us-gaap_LongTermDebtNoncurrent	143,471us-gaap_LongTermDebtNoncurrent
DEFERRED INCOME TAXES	30,751	30,933	26,627
OTHER LIABILITIES	19,558us-gaap_OtherLiabilitiesNoncurrent	19,202us-gaap_OtherLiabilitiesNoncurrent	16,044us-gaap_OtherLiabilitiesNoncurrent
TOTAL LIABILITIES	452,486us-gaap_Liabilities	324,240us-gaap_Liabilities	346,362us-gaap_Liabilities
Controlling interest shareholders' equity:
Preferred stock, no par value; shares authorized 1,000,000; issued and outstanding, none	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue	0us-gaap_PreferredStockValue
Common stock, no par value; shares authorized 40,000,000; issued and outstanding, 20,119,879, 19,984,451, and 20,048,764	20,120us-gaap_CommonStockValue	19,984us-gaap_CommonStockValue	20,049us-gaap_CommonStockValue
Additional paid-in capital	167,786us-gaap_AdditionalPaidInCapital	162,483us-gaap_AdditionalPaidInCapital	159,278us-gaap_AdditionalPaidInCapital
Retained earnings	512,421	502,334	469,028
Accumulated other comprehensive income	491	1,348	2,864
Employee stock notes receivable	(278)	(455)	(540)
Total controlling interest shareholders' equity	700,540us-gaap_StockholdersEquity	685,694us-gaap_StockholdersEquity	650,679us-gaap_StockholdersEquity
Noncontrolling interest	14,442us-gaap_MinorityInterest	13,866us-gaap_MinorityInterest	9,743us-gaap_MinorityInterest
TOTAL SHAREHOLDERS' EQUITY	714,982	699,560	660,422
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,167,468	$ 1,023,800	$ 1,006,784

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).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682