CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014		Mar. 31, 2013
Cash Flows from Operating Activities:
Net income	$ 52,225		$ 47,793
Adjustments to reconcile net income to net cash provided by operating activities:
Asset impairment	492		1,043
Depreciation, depletion and amortization	47,179		47,231
Share-based compensation expense	5,560		2,435
Equity in earnings of affiliates	(1,476)		(1,897)
Cash dividends from affiliated companies	900		2,225
(Gain)/Loss on disposition of assets	(872)		65
Pension and postretirement plan expense	9,113		13,715
Pension and postretirement plan contributions	(43,515)		(15,486)
Tax effect of share-based compensation exercises	1,664		2,508
Excess tax benefit of share-based compensation	(1,758)		(977)
Net increase in deferred taxes	2,388		10,496
Change in assets and liabilities, net of effects from acquisitions, dispositions, and foreign currency adjustments:
Trade accounts receivable	(68,142)		(30,601)
Inventories	(3,185)		(15,517)
Payable to suppliers	12,722		44,031
Prepaid expenses	(1,348)		(2,094)
Accrued expenses	5,505		(10,331)
Income taxes payable and other income tax items	25,388		31,811
Fox River environmental reserves	4		(1,017)
Other assets and liabilities	2,620		10,891
Net cash provided by operating activities	45,464		136,324
Cash Flows from Investing Activities:
Purchase of property, plant and equipment	(37,717)		(55,539)
Proceeds from the sale of assets	2,299		246
Investment in affiliates and other, net	22		(3,628)
Net cash used in investing activities	(35,396)		(58,921)
Cash Flows from Financing Activities:
Proceeds from issuance of debt	14,156		14,220
Principal repayment of debt	(10,461)		(143,548)
Net decrease in commercial paper	0		(129,000)
Net increase in outstanding checks	182		892
Excess tax benefit of share-based compensation	1,758		977
Cash dividends	(31,725)		(30,303)
Shares acquired	(10,678)		(1,689)
Shares issued	1,867		5,143
Net cash used in financing activities	(34,901)		(283,308)
Effects of Exchange Rate Changes on Cash	(1,327)		(3,729)
Net Decrease in Cash and Cash Equivalents	(26,160)		(209,634)
Cash and cash equivalents at beginning of period	217,567	[1]	373,084
Cash and cash equivalents at end of period	$ 191,407		$ 163,450

[1] The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America.