Consolidated Statement Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 266,866	$ 263,557	$ 195,526
Adjustments to reconcile to net cash provided by operating activities
Depreciation and amortization	75,327	79,242	78,525
Deferred income taxes	25,357	(13,301)	(17,354)
Gain on disposal of assets	(3,184)	(3,681)	(2,324)
Stock-based compensation	20,547	18,382	17,449
Pension settlement/curtailment	3,583
Changes in assets and liabilities:
Trade receivables	(35,697)	(12,143)	(27,380)
Inventories	(25,199)	(86,250)	47,090
Accounts payable	12,252	39,973	43,780
Accruals for incentive compensation	(49,964)	45,709	7,719
Other current payables and accrued expenses	(63,602)	31,135	5,177
Changes in other assets	(22,428)	(49,786)	(61,375)
Changes in other liabilities	(14,668)	2,299	4,804
Net cash provided by operating activities	189,190	315,136	291,637
Cash flows from investing activities:
Additions to property, plant and equipment	(127,457)	(106,301)	(66,819)
Proceeds from disposal of assets	705	1,657	1,784
Maturity / termination of net investment hedges	(2,475)	1,719	(13,604)
Purchase of insurance contracts	(1,936)	(3,858)	(2,249)
Net cash used in investing activities	(131,163)	(106,783)	(80,888)
Cash flows from financing activities:
Cash dividends paid to shareholders	(90,250)	(81,181)	(78,841)
Net change in revolving credit facility borrowings and overdrafts	92,662	(103,190)	(37,292)
Repayments of long-term debt	(123,708)		(201,102)
Proceeds from issuance of stock under stock plans	14,656	26,224	7,010
Excess tax benefits on stock-based payments	5,933	1,403
Purchase of treasury stock			(1,967)
Net cash used in financing activities	(100,707)	(156,744)	(312,192)
Effect of exchange rate changes on cash and cash equivalents	(373)	(412)	3,111
Net change in cash and cash equivalents	(43,053)	51,197	(98,332)
Cash and cash equivalents at beginning of year	131,332	80,135	178,467
Cash and cash equivalents at end of year	88,279	131,332	80,135
Cash paid for:
Interest	54,310	54,087	70,847
Taxes	87,785	70,807	58,055
Noncash investing activities:
Accrued property, plant and equipment	$ 24,050	$ 1,378