Share-Based Awards (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure - Share Based Awards [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		2013		2012		2011
Options granted		0		120,210		123,162
Weighted average grant date fair value of options granted	$	0	$	7.90	$	7.43
Options exercised		819,764		518,548		194,201
Total intrinsic value of options exercised (in millions of U.S. dollars)	$	24.8	$	8.8	$	4.6
Proceeds from option exercises (in millions of U.S. dollars)	$	49.6	$	29.3	$	10.6

	The activity related to the Company’s share options for the year ended December 31, 2013 was as follows:
			Weighted Average
		Options	Exercise Price
Outstanding at January 1, 2013		1,457,853	65.66
Granted		0	0
Exercised		(819,764)	61.97
Forfeited or expired		(1,810)	108.20
Outstanding at December 31, 2013		636,279	70.28
Options exercisable at December 31, 2013		569,301	70.23
Options vested and expected to vest at December 31, 2013		633,748	70.28

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2013	2012	2011
Expected life	0	6 years	6 years
Expected volatility	0	17.7%	14.9%
Risk-free interest rate	0	1.0%	2.0%
Dividend yield	0	2.7%	2.7%

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	RSUs and PSUs
Outstanding at January 1, 2013	869,495
Granted	329,174
Released	(290,277)
Forfeited	(53,494)
Outstanding at December 31, 2013	854,898

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

	SSARs
Outstanding at January 1, 2013	1,820,594
Granted	125,561
Exercised	(314,390)
Forfeited or expired	(9,950)
Outstanding at December 31, 2013	1,621,815
Exercisable at December 31, 2013	1,202,541

Schedule Of Share Based Payment Award Share Appreciation Rights Valuation Assumptions Table [Text Block]

	2013	2012	2011
Expected life	6 years	6 years	6 years
Expected volatility	18.3%	17.6%	15.6%
Risk-free interest rate	1.0%	1.1%	2.7%
Dividend yield	2.3%	2.8%	2.8%