SHARE-BASED PAYMENTS (Tables)

	Years ended December 31,
	2017		2016
Share option plan expense (i)	$	2.4	$	2.8
Restricted share unit plan expense, including restricted performance shares (ii)	23.4		24.0
Deferred share units expense (iii)	1.2		1.2
Employer portion of employee share purchase plan (iv)	2.0		2.0

Total share-based compensation	$	29.0	$	30.0

The following table summarizes the status of the share option plan and changes during the years ended December 31, 2017 and 2016:

	2017				2016
	Number of options (000’s)		Weighted average exercise price (CDN$/option)		Number of options (000’s)		Weighted average exercise price (CDN$/option)
Balance at January 1	12,429		$	6.95	13,513		$	7.57
Granted	1,669		5.06		1,872		4.17
Exercised	(265	)	4.09		(708	)	5.17
Forfeited	(1,567	)	8.74		(1,300	)	6.57
Expired	(93	)	7.38		(948	)	12.17

Outstanding at end of period	12,173		$	6.52	12,429		$	6.95

Exercisable at end of period	8,539		$	7.41	7,911		$	8.51

The following table summarizes information about the stock options outstanding and exercisable at December 31, 2017:

				Options outstanding				Options exercisable
Exercise price range in				Number of options	Weighted average exercise price		Weighted average remaining contractual life	Number of options	Weighted average exercise price		Weighted average remaining contractual life
CDN$:				(000’s)	(CDN$)		(years)	(000’s)	(CDN$)		(years)
$	2.96	$	4.22	4,169	$	3.87	4.12	2,151	$	3.81	3.81
4.23		9.53		6,145	6.41		3.32	4,528	6.89		2.31
9.54		14.31		1,140	10.70		1.20	1,141	10.70		1.20
14.32		16.25		719	16.25		0.15	719	16.25		0.15

				12,173	$	6.52	3.21	8,539	$	7.41	2.36

The following weighted average assumptions were used in computing the fair value of stock options using the Black-Scholes option pricing model granted during the years ended December 31, 2017 and 2016:

	2017			2016
Weighted average share price (CDN$)	$	5.06		$	4.17
Expected dividend yield	0.0		%	0.0		%
Expected volatility	49.3		%	56.9		%
Risk-free interest rate	1.1		%	0.6		%
Expected option life (in years)	4.5			4.5

Weighted average fair value per stock option granted (CDN$)	$	2.09		$	1.92

The following table summarizes information about the RSUs outstanding at December 31, 2017 and 2016:

	2017				2016
	Number of units (000’s)		Weighted average fair value (CDN$/unit)		Number of units (000’s)		Weighted average fair value (CDN$/unit)
Balance at January 1	9,219		$	4.01	9,041		$	4.41
Granted	5,128		5.07		5,502		4.14
Redeemed	(4,847	)	4.01		(4,435	)	4.96
Forfeited	(1,223	)	4.24		(889	)	4.11

Outstanding at end of period	8,277		$	4.63	9,219		$	4.01

The following table summarizes information about the RPSUs outstanding at December 31, 2017 and 2016:

	2017				2016
	Number of units (000’s)		Weighted average fair value (CDN$/unit)		Number of units (000’s)		Weighted average fair value (CDN$/unit)
Balance at January 1	4,993		$	4.51	4,313		$	4.88
Granted	1,209		5.32		1,887		4.47
Redeemed	(889	)	5.39		(495	)	6.55
Forfeited	(427	)	4.81		(712	)	5.20

Outstanding at end of period	4,886		$	4.52	4,993		$	4.51

	Years ended December 31,
	2017		2016
DSUs granted (000’s)	297		308
Weighted average grant-date fair value (CDN$/ unit)	$	5.15	$	4.97