Share-Based Compensation (Tables)

9 Months Ended

Sep. 27, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Compensation Expense

The table below summarizes the share-based compensation expense for the three and nine months ended September 27, 2014 and September 28, 2013, respectively. 

	For the Three Months Ended				For the Nine Months Ended
(in millions of U.S. dollars)	September 27, 2014		September 28, 2013		September 27, 2014		September 28, 2013
Stock options	$	0.4	$	0.2	$	1.2	$	0.6
Performance-based RSUs		0.2		0.3		1.0		0.7
Time-based RSUs		0.7		0.6		2.1		1.5
Director share awards		0.2		—		0.6		0.8
Total	$	1.5	$	1.1	$	4.9	$	3.6

Unrecognized Share-based Compensation Expense

As of September 27, 2014, the unrecognized share-based compensation expense and years we expect to recognize it as compensation expense were as follows:

(in millions of U.S. dollars, except years)	Unrecognized share-based compensation expense as of September 27, 2014		Weighted average years expected to recognize compensation
Stock options	$	2.1		1.8
Performance-based RSUs		1.8		2.1
Time-based RSUs		3.7		1.8
Director share awards		0.2		0.3
Total	$	7.8

Stock Option Activity

Stock option activity for the nine months ended September 27, 2014 was as follows:

	Shares (in thousands)			Weighted average exercise price
Balance at December 28, 2013		830		$	8.17
Awarded		441			8.00
Forfeited or expired		(50	)		16.45
Outstanding at September 27, 2014		1,221		$	7.77
Exercisable at September 27, 2014		113		$	4.94

Performance-based RSU and Time-Based RSU Activity

During the nine months ended September 27, 2014, Performance-based RSU and Time-based RSU activity was as follows:

	Number of Performance- based RSUs (in thousands)			Weighted Average Grant-Date Fair Value		Number of Time-based RSUs (in thousands)			Weighted Average Grant-Date Fair Value
Balance at December 28, 2013		534		$	7.81		831		$	8.04
Awarded		274			8.00		368			8.00
Issued		—			—		(161	)		8.20
Forfeited		(31	)		7.90		(68	)		8.25
Outstanding at September 27, 2014		777		$	7.87		970		$	7.98