CONSOLIDATED CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 24, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 22,044	$ 34,091	$ 36,683
Restricted cash	905	398	909
Investments	10,781	10,348	10,453
Accounts receivable, net	419,183	282,253	343,771
Inventories:
Raw materials	203,930	198,954	180,740
Finished goods	208,556	198,273	189,188
Total inventories	412,486	397,227	369,928
Refundable income taxes	763	11,459	7,407
Other current assets	22,438	20,662	21,636
TOTAL CURRENT ASSETS	888,600	756,438	790,787
RESTRICTED INVESTMENTS	7,982
DEFERRED INCOME TAXES	1,899	1,546	2,416
OTHER ASSETS	7,634	8,617	8,757
GOODWILL	212,029	198,535	207,832
INDEFINITE-LIVED INTANGIBLE ASSETS	7,580	2,340	2,340
OTHER INTANGIBLE ASSETS, NET	36,093	26,731	14,014
PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment	754,175	699,462	717,287
Less accumulated depreciation and amortization	(429,066)	(401,611)	(432,796)
PROPERTY, PLANT AND EQUIPMENT, NET	325,109	297,851	284,491
TOTAL ASSETS	1,486,926	1,292,058	1,310,637
CURRENT LIABILITIES:
Cash overdraft	26,617	19,761	13,940
Accounts payable	171,774	124,660	137,979
Accrued liabilities:
Compensation and benefits	88,185	92,441	99,549
Other	50,179	32,281	57,104
Current portion of long-term debt	2,197	2,634	1,584
TOTAL CURRENT LIABILITIES	338,952	271,777	310,156
LONG-TERM DEBT	145,884	109,059	110,362
DEFERRED INCOME TAXES	22,806	20,817	14,066
OTHER LIABILITIES	29,204	29,939	28,963
TOTAL LIABILITIES	536,846	431,592	463,547
Controlling interest shareholders' equity:
Preferred stock, no par value; shares authorized 1,000,000; issued and outstanding, none
Common stock, $1 par value; shares authorized 80,000,000; issued and outstanding, 20,391,399, 20,342,069 and 20,330,939	20,391	20,342	20,331
Additional paid-in capital	200,778	185,333	183,962
Retained earnings	715,497	649,135	637,536
Accumulated other comprehensive income	(871)	(5,630)	(4,854)
Total controlling interest shareholders' equity	935,795	849,180	836,975
Noncontrolling interest	14,285	11,286	10,115
TOTAL SHAREHOLDERS' EQUITY	950,080	860,466	847,090
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,486,926	$ 1,292,058	$ 1,310,637