Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Share-Based Compensation

Schedule of compensation expense related to stock-based compensation

	2012		2011		2010
Lifeco Stock Plan	$	2,314	$	1,786	$	1,855
Performance Share Unit Plan	3,658		1,161		—
Total compensation expense	$	5,972	$	2,947	$	1,855
Income tax benefits	$	1,729	$	752	$	226

Schedule of total unrecognized compensation expense related to stock-based compensation and the expected weighted-average period over which these expenses will be recognized

The following table presents the total unrecognized compensation expense related to stock-based compensation at December 31, 2012 and the expected weighted average period over which these expenses will be recognized:

	Expense		Weighted average period (years)
Lifeco Stock Plan	$	3,016	1.7
Performance Share Unit Plan	4,414		1.4

Summary of status of, and changes in, the Lifeco plan options granted to employees

			Weighted average
			Exercise		Remaining	Aggregate
	Shares		price		contractual	intrinsic
	under option		(Whole dollars)		term (Years)	value (1)
Outstanding, January 1, 2012	2,896,560		$	28.01
Granted	739,600		23.28
Exercised	(354,000	)	19.43
Outstanding, December 31, 2012	3,282,160		28.42		6.2	$	1,518
Vested and expected to vest, December 31, 2012	3,261,022		$	28.42	6.2	$	1,168
Exercisable, December 31, 2012	1,483,080		$	30.10	4.4	$	171

(1) The aggregate intrinsic value is calculated as the difference between the market price of Lifeco common shares on December 31, 2012 and the exercise price of the option (only if the result is positive) multiplied by the number of options.

Schedule of other information regarding stock options under the Lifeco plan

	2012		2011		2010
Weighted average fair value of options granted	$	3.47	$	4.49	$	4.41
Intrinsic value of options exercised (1)	1,397		1,197		5,218
Fair value of options vested	1,740		1,541		943

(1) The intrinsic value of options exercised is calculated as the difference between the market price of Lifeco common shares on the date of exercise and the exercise price of the option multiplied by the number of options exercised.

Schedule of weighted average assumptions

	2012		2011		2010
Dividend yield	5.31	%	4.59	%	4.53	%
Expected volatility	25.65	%	25.22	%	25.03	%
Risk free interest rate	1.52	%	2.62	%	2.62	%
Expected duration (years)	6.0		5.5		5.5

Summary of the status of, and changes in, the Performance Share Unit Plan units granted to employees

	Performance Units
Outstanding, December 31, 2011	163,708
Granted	211,600
Paid	—
Forfeited	—
Outstanding, December 31, 2012	375,308
Vested and expected to vest, December 31, 2012	375,308