CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013	Sep. 28, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 26,184	$ 0	$ 5,151
Restricted cash	720	720	720
Accounts receivable, net	257,235	180,452	241,990
Inventories:
Raw materials	150,585	161,226	127,854
Finished goods	123,080	126,079	104,356
Total inventories	273,665	287,305	232,210
Refundable income taxes	0	2,235	0
Deferred income taxes	6,848	6,866	9,203
Other current assets	20,743	18,820	20,280
TOTAL CURRENT ASSETS	585,395	496,398	509,554
DEFERRED INCOME TAXES	1,312	1,365	1,696
OTHER ASSETS	14,915	12,087	12,615
GOODWILL	160,146	160,146	160,146
INDEFINITE-LIVED INTANGIBLE ASSETS	2,340	2,340	2,340
OTHER INTANGIBLE ASSETS, NET	6,339	7,241	7,815
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment	599,584	578,702	578,429
Less accumulated depreciation and amortization	(354,548)	(341,292)	(339,082)
PROPERTY, PLANT AND EQUIPMENT, NET	245,036	237,410	239,347
TOTAL ASSETS	1,015,483	916,987	933,513
CURRENT LIABILITIES:
Cash overdraft	0	1,079	0
Accounts payable	99,008	72,918	85,520
Accrued liabilities:
Compensation and benefits	60,069	45,018	45,651
Income taxes	15	0	6,269
Other	33,849	20,084	26,900
TOTAL CURRENT LIABILITIES	192,941	139,099	164,340
LONG-TERM DEBT	84,700	84,700	84,700
DEFERRED INCOME TAXES	26,896	26,788	24,861
OTHER LIABILITIES	15,862	16,666	16,211
TOTAL LIABILITIES	320,399	267,253	290,112
Controlling interest shareholders' equity:
Preferred stock, no par value; shares authorized 1,000,000; issued and outstanding, none	0	0	0
Common stock, no par value; shares authorized 40,000,000; issued and outstanding, 19,974,886, 19,948,270, and 19,893,513.	19,975	19,948	19,900
Additional paid-in capital	161,122	156,129	153,932
Retained earnings	501,181	461,812	458,005
Accumulated other comprehensive income	2,767	3,466	3,901
Employee stock notes receivable	(530)	(732)	(732)
Total controlling interest shareholders' equity	684,515	640,623	635,006
Noncontrolling interest	10,569	9,111	8,395
TOTAL SHAREHOLDERS' EQUITY	695,084	649,734	643,401
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,015,483	$ 916,987	$ 933,513