Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Continuing operating activities
Net earnings	$ 123,769	$ 123,531	$ 239,997
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	170,132	168,555	179,706
(Gain) loss on disposal of property and equipment	26	(12,894)	(930)
Accretion of interest on convertible debentures	3,646	3,028	2,046
Inventory write-offs for obsolescence	19,108	20,865	21,118
Pensions and other postretirement benefits, net of contributions	(9,327)	(12,146)	(11,385)
Deferred income taxes	1,734	(6,828)	14,108
Other	(7,009)	8,530	(16,120)
Net change in operating assets and liabilities, net of effects of businesses acquired	(10,009)	(5,152)	(52,503)
Net cash provided by continuing operating activities	292,070	287,489	376,037
Continuing investing activities
Capital expenditures	(153,077)	(150,291)	(168,641)
Proceeds from sale of property and equipment	4,681	10,241	2,162
Purchase of businesses, net of cash acquired	(23,034)	(85,493)	(19,335)
Purchase of short-term investments	(664,867)	(381,040)	(497,258)
Maturity of short-term investments	465,668	339,287	226,792
Sale of investments	0	0	2,167
Other investing activities	(176)	(1,828)	1,350
Net cash used in continuing investing activities	(370,805)	(269,124)	(452,763)
Continuing financing activities
Proceeds from long-term borrowings	0	150,000	150,000
Issuance costs	(4,558)	(4,827)	(4,429)
Principal payments on long-term debt and capital leases	(28)	(27)	(681)
Net (payments) proceeds on revolving credit lines	25,000	(66,000)	(85,000)
Common stock repurchases	0	(150,000)	(150,000)
Net changes in short-term borrowings	(146)	(115)	(10)
Distributions to noncontrolling interests	(257)	(1,040)	(1,440)
Proceeds from stock options exercised	0	174	9,675
Excess tax benefit from stock options exercised	196	0	555
Other financing activities	(3,638)	0	0
Net cash provided by (used in) continuing financing activities	16,569	(71,835)	(81,330)
Effect of exchange rate changes on cash and cash equivalents	4,919	1,977	9,806
Net decrease in cash and cash equivalents from continuing activities	(57,247)	(51,493)	(148,250)
Cash and cash equivalents at beginning of year	697,595	749,088	897,338
Cash and cash equivalents at end of year	$ 640,348	$ 697,595	$ 749,088