CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH PROVIDED BY OPERATING ACTIVITIES:
Net earnings	$ 177,015	$ 222,398	$ 221,474
Income items not affecting cash:
Depreciation and amortization	62,796	59,715	77,498
Deferred income taxes	(2,709)	(10,940)	(12,195)
Stock-based compensation arrangements	27,823	26,250	24,917
Other non-cash items	4,564	(1,810)	12,654
Changes in operating assets and liabilities, net of acquisitions:
Decrease in accounts receivable	48,640	10,693	17,992
Decrease (increase) in inventories	35,181	(23,733)	(48,361)
Decrease (increase) in prepaid expenses and other current assets	5,434	(1,004)	(11,104)
(Increase) decrease in other assets	(1,520)	1,879	(5,589)
Decrease in accounts payable	(8,617)	(1,672)	(5,565)
(Decrease) increase in deferred revenue	(659)	1,153	5,426
Increase (decrease) in accrued payroll and other liabilities	36,017	(25,415)	(25,599)
(Decrease) increase in accrued income taxes	(18,898)	20,141	(9,865)
(Decrease) Increase in pension and other long-term liabilities	(10,102)	7,890	2,208
Cash provided by operating activities	354,965	285,545	243,891
CASH USED BY INVESTING ACTIVITIES:
Additions to property and equipment	(52,061)	(58,089)	(41,946)
Business acquisitions, net of cash acquired	(20,073)	(105,909)	(27,182)
Other investments	0	(3,002)	1,991
Cash used by investing activities	(72,134)	(167,000)	(67,137)
CASH (USED) PROVIDED BY FINANCING ACTIVITIES:
Net proceeds of long-term debt, including current portion	150,000	0	247,708
Repayment of long-term debt	(11,250)	0	0
Repurchase of common stock	(162,078)	(214,195)	(160,669)
Dividends paid	(51,404)	(42,450)	(38,037)
Proceeds from shares issued pursuant to stock-based compensation plans	8,650	11,198	21,706
Excess tax benefit of stock options exercised	1,069	1,284	5,195
Other financing activities	(1,100)	(166)	(458)
Cash (used) provided by financing activities	(66,113)	(244,329)	75,445
Effect of exchange rate changes on cash	4,019	6,677	(4,490)
Net increase (decrease) in cash and cash equivalents	220,737	(119,107)	247,709
Cash and cash equivalents, beginning of year	321,739	440,846	193,137
Cash and cash equivalents, end of year	$ 542,476	$ 321,739	$ 440,846