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Employee benefits (Tables)

12 Months Ended

Dec. 31, 2012

Employee benefits [Abstract]

Bonus plan expenses

Year ended December 31 (in thousands)

2012 EUR

2011 EUR

2010 EUR

Bonus expenses

16,474

15,557

12,489

Bonus expenses under performance-related bonus plan

Year ended December 31 (in thousands)

2012 EUR

2011 EUR

2010 EUR

Bonus expenses

14,588

13,131

9,694

Assumption of the Black-Scholes option valuation of the fair value of the company's stock options

Year ended December 31		2012				2011				2010
Weighted average share price (in EUR)			40.3				28.0				24.1
Volatility (in percentage)			25.6				37.8				36.4
Expected life (in years)			5.0				4.8				4.6
Risk free interest rate			2.1				2.9				2.5
Expected dividend yield (in EUR)			1.45				1.25				1.06
Forfeiture rate1			-				-				-

1 As of year end for each of the three years ended December 31, forfeitures are estimated to be nil.

Stock options

		EUR-denominated												USD-denominated
Year ended December 31		2012				2011				2010				2012				2011				2010
Weighted average fair value of stock options granted			8.97				8.28				8.22				11.87				10.42				11.10
Weighted average share price at the exercise date of stock options			40.45				29.39				25.77				50.88				41.94				33.79
Aggregate intrinsic value of stock options exercised (in thousands)			71,331				30,204				22,720				12,684				11,323				13,669
Aggregate remaining contractual term of currently exercisable options (years)			3.59				2.08				2.86				3.17				1.80				2.59
Aggregate intrinsic value of exercisable stock options (in thousands)			34,438				39,384				54,109				21,882				20,492				25,780
Aggregate intrinsic value of outstanding stock options (in thousands)			35,671				45,141				65,240				22,433				20,791				28,024

Stock option transactions

		EUR-denominated								USD-denominated
		Number of options				Weighted average exercise price per ordinary share (EUR)				Number of options				Weighted average exercise price per ordinary share (USD)
Outstanding, January 1, 2012			5,133,659				24.48				1,792,305				34.01
Granted			32,240				39.52				11,041				51.79
Exercised			(2,928,641)				16.07				(362,071)				15.87
Forfeited			(5,530)				18.22				(350)				33.75
Expired			(1,103,566)				55.45				(946,089)				48.98
Outstanding, December 31, 2012			1,128,162				16.38				494,836				19.06
Exercisable, December 31, 2012			1,060,262				15.52				472,586				18.09

Outstanding stock options

EUR-denominated												USD-denominated
Range of exercise prices (EUR)				Number of outstanding options at December 31, 2012				Weighted average remaining contractual life of outstanding options (years)				Range of exercise prices (USD)				Number of outstanding options at December 31, 2012				Weighted average remaining contractual life of outstanding options (years)
	0 - 10				-				-				0 - 10				55,260				2.75
	10 - 15				602,473				3.00				10 - 15				230,215				1.64
	15 - 20				292,093				3.91				15 - 20				5,424				5.80
	20 - 25				176,120				5.18				20 - 25				101,697				4.49
	25 - 40				30,422				8.77				25 - 40				90,116				6.16
	40 - 50				27,054				9.79				40 - 50				2,077				8.66
	50 - 60				-				-				50 - 60				10,047				9.70
	Total				1,128,162				3.89				Total				494,836				3.41

Summary of share plans

		EUR-denominated												USD-denominated
Year ended December 31		2012				2011				2010				2012				2011				2010
Total fair value at vesting date of shares vested during the year (in thousands)			16,179				9,155				6,165				5,392				1,956				8,856
Weighted average fair value of shares granted			36.15				28.09				23.51				47.71				39.00				31.66

Employee share issuances

		EUR- denominated Number of shares				Weighted average fair value at grant date (EUR)				USD- denominated Number of shares				Weighted average fair value at grant date (USD)
Conditional shares outstanding at January 1, 2012			1,479,297				24.19				264,891				32.35
Granted			678,505				36.15				110,465				47.71
Vested/Issued			(421,902	)			20.88				(106,500	)			31.05
Forfeited			(42,290	)			19.91				(19,762	)			37.55
Conditional shares outstanding at December 31, 2012			1,693,610				29.92				249,094				40.71

Pension Costs

Year ended December 31 (in thousands)		2012 EUR				2011 EUR				2010 EUR
Pension plan based on multi-employer union plan			34,525				31,819				29,643
Pension plans based on defined contribution			15,773				14,128				10,950
Pension and retirement expenses			50,298				45,947				40,593

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Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost.

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