CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balances at Dec. 31, 2010	$ 1,468,145	$ 139,514	$ (737,106)	$ 141,298	$ 2,073,920	$ (185,932)	$ 36,451
Increase (Decrease) in Stockholders' Equity
Net income	83,537				80,958		2,579
Cash dividends declared:
Common @ $0.615 per share	(49,667)				(49,667)
Noncontrolling interests	(3,322)						(3,322)
Translation adjustments, net of deferred income taxes of $4,618 and $(656) in 2012 and 2011, respectively	(40,815)					(40,774)	(41)
Cash flow hedging instrument adjustments, net of deferred income taxes of $(972) and $(3,849) in 2012 and 2011, respectively	15,043					15,043
Contributions from noncontrolling interests	9,592						9,592
Pension liability adjustments, net of deferred income taxes of $189 and $(2,744) in 2012 and 2011, respectively	6,948					6,948
Marketable securities unrealized gains (loss), net of deferred income taxes of $(2) and $9 for 2012 and 2011, respectively	(14)					(14)
Stock options exercised, 38,900 shares and 106,022 shares in 2012 and 2011, respectively	1,641	133		1,508
Vesting of restricted stock units and other, net 68,558 shares and 92,630 shares in 2012 and 2011, respectively	226	151	(910)	985
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,720			2,720
Balances at Sep. 30, 2011	1,494,034	139,798	(738,016)	146,511	2,105,211	(204,729)	45,259
Balances at Dec. 31, 2011	1,219,918	139,914	(744,644)	149,066	1,996,234	(364,191)	43,539
Increase (Decrease) in Stockholders' Equity
Net income	10,769				9,746		1,023
Cash dividends declared:
Common @ $0.615 per share	(49,597)				(49,597)
Noncontrolling interests	(2,264)						(2,264)
Translation adjustments, net of deferred income taxes of $4,618 and $(656) in 2012 and 2011, respectively	7,733					7,479	254
Cash flow hedging instrument adjustments, net of deferred income taxes of $(972) and $(3,849) in 2012 and 2011, respectively	1,941					1,941
Contributions from noncontrolling interests	8,602						8,602
Sale of investment in consolidated subsidiary	(704)						(704)
Pension liability adjustments, net of deferred income taxes of $189 and $(2,744) in 2012 and 2011, respectively	(1,294)					(1,294)
Marketable securities unrealized gains (loss), net of deferred income taxes of $(2) and $9 for 2012 and 2011, respectively	3					3
Stock options exercised, 38,900 shares and 106,022 shares in 2012 and 2011, respectively	710	49		661
Vesting of restricted stock units and other, net 68,558 shares and 92,630 shares in 2012 and 2011, respectively	515	117	(561)	959
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,257			2,257
Balances at Sep. 30, 2012	$ 1,198,589	$ 140,080	$ (745,205)	$ 152,943	$ 1,956,383	$ (356,062)	$ 50,450