Consolidated Statement Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 106,707	$ 90,697
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	22,830	19,405
Deferred income taxes	8,246	12,232
Gain on disposal of assets	(811)	(1,085)
Stock-based compensation	4,695	4,523
Changes in assets and liabilities, net of Aromor acquisition:
Trade receivables	(41,569)	(34,448)
Inventories	(591)	18,208
Accounts payable	(11,989)	(29,339)
Accruals for incentive compensation	(62,282)	(43,178)
Other current payables and accrued expenses	1,096	(6,766)
Other assets	4,446	3,531
Other liabilities	4,215	(15,061)
Net cash provided by operating activities	34,993	18,719
Cash flows from investing activities:
Cash paid for acquisition, net of cash received (including $15 million of contingent consideration)	(102,400)	0
Additions to property, plant and equipment	(33,836)	(29,861)
Proceeds from termination of life insurance contracts	12,308	793
Maturity of net investment hedges	(472)	530
Proceeds from disposal of assets	2,042	204
Net cash used in investing activities	(122,358)	(28,334)
Cash flows from financing activities:
Cash dividends paid to shareholders	(31,743)	0
Net change in revolving credit facility borrowings and overdrafts	1,309	(352)
Proceeds from issuance of stock under stock plans	913	1,970
Excess tax benefits on stock-based payments	315	744
Purchase of treasury stock	(20,122)	(14,242)
Net cash used in financing activities	(49,328)	(11,880)
Effect of exchange rate changes on cash and cash equivalents	(228)	(2,881)
Net change in cash and cash equivalents	(136,921)	(24,376)
Cash and cash equivalents at beginning of year	405,505	324,422
Cash and cash equivalents at end of period	268,584	300,046
Interest paid, net of amounts capitalized	20,033	22,167
Income taxes paid	$ 18,681	$ 21,317