Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Continuing operating activities
Net earnings (loss)	$ (107,733)	$ 117,843	$ 123,769
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	176,169	179,455	170,132
(Gain) loss on disposal of property and equipment	(86)	(195)	26
Accretion of interest on convertible debentures	4,264	3,943	3,646
Inventory write-offs for obsolescence	21,384	21,394	19,108
Impairment of goodwill and long-lived assets	62,980	0	0
U.S. pension settlement charges	0	15,588	0
Pensions and other postretirement benefits, net of contributions	(3,543)	(16,145)	(9,327)
Deferred income taxes	118,447	15,663	1,734
Other	698	(2,269)	(7,009)
Net change in operating assets and liabilities, net of effects of businesses acquired	(27,249)	(38,240)	(10,009)
Net cash provided by continuing operating activities	245,331	297,037	292,070
Continuing investing activities
Capital expenditures	(147,142)	(156,974)	(153,077)
Proceeds from sale of property and equipment	2,049	2,889	4,681
Purchase and deposits for businesses, net of cash acquired	(6,750)	(197,986)	(23,034)
Purchase of short-term investments	(486,949)	(495,762)	(664,867)
Maturity of short-term investments	345,397	485,306	465,668
Sale of investments	503	13,658	0
Sale of other investments	400	0	0
Other investing activities	(4,884)	617	(176)
Net cash used in continuing investing activities	(297,376)	(348,252)	(370,805)
Continuing financing activities
Debt issuance costs	(3,693)	0	(4,558)
Principal payments on long-term debt and capital leases	0	(11)	(28)
Net (payments) proceeds on revolving credit lines	(10,000)	86,000	25,000
Net changes in short-term borrowings	(14)	16	(146)
Distributions to noncontrolling interests	(725)	(547)	(257)
Acquisition of noncontrolling interests	0	(21,067)	0
Proceeds from stock options exercised	0	50	0
Excess tax benefit from RSUs vested	21	0	196
Other financing activities	0	(1,324)	(3,638)
Net cash provided by (used in) continuing financing activities	(49,828)	27,729	16,569
Effect of exchange rate changes on cash and cash equivalents	(14,792)	(24,690)	4,919
Net decrease in cash and cash equivalents from continuing activities	(116,665)	(48,176)	(57,247)
Cash and cash equivalents at beginning of year	592,172	640,348	697,595
Cash and cash equivalents at end of year	475,507	592,172	640,348
Common Stock [Member]
Continuing financing activities
Dividends and Interest Paid	(32,506)	(32,477)	0
Class B Convertible Common Stock [Member]
Continuing financing activities
Dividends and Interest Paid	$ (2,911)	$ (2,911)	$ 0