Equity (Tables)

12 Months Ended

Dec. 31, 2011

Equity

Schedule of stock option activity

					Weighted
					Average
			Weighted Average		Remaining Contractual	Aggregate Intrinsic
	Options		Exercise Price		Term (in years)	Value
Options outstanding at December 31, 2008	11,229,837		$	25.82	6.69
Options granted	3,736,500		32.01
Options exercised	(2,029,874	)	12.55
Options forfeited	(232,160	)	35.89
Options outstanding at December 31, 2009	12,704,303		29.58		7.16
Options granted	2,602,500		43.00
Options exercised	(2,331,429	)	19.99
Options forfeited	(269,050	)	37.18
Options outstanding at December 31, 2010	12,706,324		33.93		7.18
Options granted	2,551,350		53.45
Options exercised	(1,037,674	)	25.14
Options forfeited	(203,100	)	39.75
Options outstanding at December 31, 2011	14,016,900		38.00		6.89	$	125,067
Vested and non-vested expected to vest at December 31, 2011	13,066,583		37.57		6.79	$	120,850
Exercisable at December 31, 2011	6,380,324		$	31.48	5.41	$	89,316

Summary of status of non-vested options and changes during the year

	Options		Weighted Average Fair Value at Grant Date
Non-vested options at December 31, 2010	7,623,976		$	12.78
Options granted	2,551,350		14.19
Options vested	(2,335,650	)	12.23
Options forfeited	(203,100	)	13.00
Non-vested options at December 31, 2011	7,636,576		$	13.41

Summary of activity in the option plans

	2011		2010		2009
Total intrinsic value of stock options exercised	$	29,697	$	67,841	$	56,900
Total fair value of stock options vested	28,563		23,714		17,360

Schedule of after-tax components comprising accumulated other comprehensive loss included in shareholders' equity

	Foreign Currency Translation Adjustment			Revaluation of Derivatives			Defined Benefit Plan Liability Adjustment			Accumulated Other Comprehensive Income (Loss)
Balance at January 1, 2009	$	348		$	(15,717	)	$	(125,222	)	$	(140,591	)
Translation adjustments	23,793			—			—			23,793
Revaluation of interest rate derivatives, net of tax of $7,843	—			13,354			—			13,354
Defined benefit plan liability adjustment, net of tax of $1,970	—			—			3,354			3,354
Balance at December 31, 2009	24,141			(2,363		)	(121,868		)	(100,090		)
Translation adjustments	17,465			—			—			17,465
Revaluation of interest rate derivatives, net of tax of $1,486	—			2,363			—			2,363
Defined benefit plan liability adjustment, net of tax of $2,639	—			—			(4,495		)	(4,495		)
Balance at December 31, 2010	41,606			—			(126,363		)	(84,757		)
Translation adjustments	(10,154		)	—			—			(10,154		)
Revaluation of forward contract derivatives, net of tax of $173	—			(287		)	—			(287		)
Defined benefit plan liability adjustment, net of tax of $12,959	—			—			(24,859		)	(24,859		)
Balance at December 31, 2011	$	31,452		$	(287	)	$	(151,222	)	$	(120,057	)