Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Treasury Stock	Deferred Compensation Obligation	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Accounting Standards Update 2016-09	Accounting Standards Update 2016-09 Capital in Excess of Par Value	Accounting Standards Update 2016-09 Retained Earnings
Balance — (in shares) at Dec. 31, 2014		176,793			42,444
Balance — at Dec. 31, 2014	$ 1,930,246	$ 220,991	$ 495,600	$ 3,403,834	$ (1,830,919)	$ 10,558	$ (380,099)	$ 10,281
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock activity under stock plans	(14,075)		(41,860)		$ 27,785
Stock activity under stock plans (in shares)					789
Stock-based compensation	34,816		34,797	19
Tax benefit associated with stock-based compensation	6,424		6,424
Net Income (Loss) Attributable to Parent	258,411			258,411
Net earnings	264,016							5,605
Cash dividends declared	(96,306)			(96,306)
Repurchases of common shares (in shares)					(6,048)
Repurchases of common shares	(303,651)				$ (303,651)
Other comprehensive income, net of tax	(156,696)						(158,133)	1,437
Purchase of shares from and dividends paid to noncontrolling interests	(67)							(67)
Other, net	(325)					(325)
Balance — (in shares) at Dec. 31, 2015		176,793			47,703
Balance — at Dec. 31, 2015	1,664,382	$ 220,991	494,961	3,565,958	$ (2,106,785)	10,233	(538,232)	17,256
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock activity under stock plans	(5,313)		(33,571)		$ 28,258
Stock activity under stock plans (in shares)					723
Stock-based compensation	30,213		30,203	10
Tax benefit associated with stock-based compensation	255		255
Net Income (Loss) Attributable to Parent	132,455			132,455
Net earnings	135,532							3,077
Cash dividends declared	(100,027)			(100,027)
Repurchases of common shares (in shares)					0
Repurchases of common shares	0				$ 0
Other comprehensive income, net of tax	(85,843)						(86,556)	713
Purchase of shares from and dividends paid to noncontrolling interests	(85)							(85)
Other, net	$ (1,726)					(1,726)
Balance — (in shares) at Dec. 31, 2016	176,793	176,793			46,980
Balance — at Dec. 31, 2016	$ 1,637,388	$ 220,991	491,848	3,598,396	$ (2,078,527)	8,507	(624,788)	20,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock activity under stock plans	(4,510)		(23,479)		$ 18,969				$ 0	$ (2,966)
Stock activity under stock plans (in shares)					509
Stock-based compensation	22,820		22,820	0							$ 2,966
Tax benefit associated with stock-based compensation	103		103
Net Income (Loss) Attributable to Parent	2,652
Net earnings	4,328							1,676
Cash dividends declared	(100,067)			(100,067)
Repurchases of common shares	0
Other comprehensive income, net of tax	119,753						119,315	438
Purchase of shares from and dividends paid to noncontrolling interests	(6,708)							(6,708)
Other, net	$ (2,153)					(2,153)
Balance — (in shares) at Dec. 31, 2017	176,793	176,793			46,471
Balance — at Dec. 31, 2017	$ 1,670,954	$ 220,991	$ 488,326	$ 3,503,947	$ (2,059,558)	$ 6,354	$ (505,473)	$ 16,367