Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash and cash equivalents at beginning of year	$ 477,239	$ 477,696
Cash flows from operating activities:
Net income	93,614	180,644
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization	52,714	51,817
Write-offs associated with restructuring and other	6,333	0
Impairment of assets of discontinued operations	80,711
Stock-based compensation	7,319	4,529
Excess tax benefits realized from stock-based compensation arrangements	(767)	(2,519)
Equity in net income of unconsolidated investments (net of tax)	(19,550)	(19,970)
Dividends received from unconsolidated investments and nonmarketable securities	11,944	13,599
Pension and postretirement expense	17,917	3,152
Pension and postretirement contributions	(4,717)	(4,246)
Unrealized gain on investments in marketable securities	(703)	(1,912)
Deferred income taxes	(16,114)	4,911
Working capital changes	63,235	(53,018)
Other, net	3,211	1,867
Net cash provided by operating activities	295,147	178,854
Cash flows from investing activities:
Capital expenditures	(46,670)	(103,168)
Cash payments related to acquisitions and other	0	(250)
Sales of marketable securities, net	642	768
Net cash used in investing activities	(46,028)	(102,650)
Cash flows from financing activities:
Repayments of long-term debt	(3,016)	(6,380)
Proceeds from borrowings of long-term debt	0	117,000
Other (repayments) borrowings, net	(13,083)	266,248
Dividends paid to shareholders	(41,316)	(39,049)
Repurchases of common stock	(150,000)	(582,298)
Proceeds from exercise of stock options	2,355	3,917
Excess tax benefits realized from stock-based compensation arrangements	767	2,519
Withholding taxes paid on stock-based compensation award distributions	(3,150)	(5,777)
Debt financing costs	(1,372)	(133)
Net cash used in financing activities	(208,815)	(243,953)
Net effect of foreign exchange on cash and cash equivalents	(2,424)	4,712
Increase (decrease) in cash and cash equivalents	37,880	(163,037)
Cash and cash equivalents at end of period	$ 515,119	$ 314,659