CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands	Total	Redeemable Noncontrolling Shareholders' Interests [Member]	Common Stock [Member]	Capital In Excess of Par Value [Member]	Retained Earnings [Member]	Cumulative Other Comprehensive Income (Loss) [Member]	Common Shares in Treasury [Member]	Total Parent Stockholders' Equity [Member]	Noncontrolling Shareholders' Interests in Consolidated Subsidiaries [Member]
Beginning Balance at Dec. 31, 2010	$ 523,050	$ 71,442	$ 87,850	$ 61,444	$ 1,247,265	$ (468,063)	$ (467,707)	$ 460,789	$ 62,261
Net income	269,603	13,628			253,503			253,503	2,472
Other comprehensive income (loss)	(60,045)	3,594				(60,470)		(60,470)	(3,169)
Comprehensive income (loss)	209,558	17,222			253,503	(60,470)		193,033	(697)
Dividends payable to noncontrolling shareholder		(5,731)
Acquisition of business	37,853								37,853
Acquisition of noncontrolling shareholders' interests	(116,500)			(51,812)	(10,082)	7,655		(54,239)	(62,261)
Expiration of put option	82,933	(82,933)							82,933
Stock compensation plans, including tax benefit	4,345			(8,590)	(167)		13,102	4,345
Cash dividends - $.42 per share	(26,127)				(26,127)			(26,127)
Ending Balance at Dec. 31, 2011	697,890		87,850	1,042	1,464,392	(520,878)	(454,605)	577,801	120,089
Net income	252,426				220,371			220,371	32,055
Other comprehensive income (loss)	(28,505)					(30,648)		(30,648)	2,143
Comprehensive income (loss)	223,921				220,371	(30,648)		189,723	34,198
Dividends payable to noncontrolling shareholder	(3,495)								(3,495)
Acquisition of business
Acquisition of noncontrolling shareholders' interests	(71)			(71)				(71)
Stock compensation plans, including tax benefit	16,444			(52)	(554)		17,050	16,444
Cash dividends - $.42 per share	(26,273)				(26,273)			(26,273)
Ending Balance at Dec. 31, 2012	908,416		87,850	919	1,657,936	(551,526)	(437,555)	757,624	150,792
Net income	133,565				111,013			111,013	22,552
Other comprehensive income (loss)	144,711					141,506		141,506	3,205
Comprehensive income (loss)	278,276				111,013	141,506		252,519	25,757
Dividends payable to noncontrolling shareholder	(9,790)								(9,790)
Stock compensation plans, including tax benefit	7,327			3,514	(734)		4,547	7,327
Cash dividends - $.42 per share	(26,604)				(26,604)			(26,604)
Ending Balance at Dec. 31, 2013	$ 1,157,625		$ 87,850	$ 4,433	$ 1,741,611	$ (410,020)	$ (433,008)	$ 990,866	$ 166,759