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Stock-Based Compensation (Tables)

12 Months Ended

Jan. 02, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of allocation of share-based compensation expense [Table Text Block]

			January 2, 2021				December 28, 2019				December 29, 2018
			$				$				$
Selling, general and administrative expenses			12,570				10,471				6,773
Other income			(894	)			(4,131	)			—
Earnings from discontinued operations			540				1,145				1,166
Total stock-based compensation expense			12,216				7,485				7,939

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock option activity [Table Text Block]

The following table summarizes stock option activity for the year ended January 2, 2021:

															Weighted-
															average
							Weighted-								remaining
							average								contractual				Aggregate
			Stock options				exercise price								term (years)				intrinsic value
Outstanding, beginning of year			1,949,888				$				7.57
Granted			555,092								4.64
Exercised			(214,854	)							5.80
Forfeited			(119,346	)							8.31
Outstanding, end of year			2,170,780				$				6.95				5.89				$				10,270
Exercisable, end of year			1,615,793				$				7.72				4.66				$				6,410

The total intrinsic value of stock options exercised during the year ended January 2, 2021 was $0.3 million.

The following table summarizes non-vested stock option activity during the year ended January 2, 2021:

					Weighted-
					average grant-
		Stock options			date fair value
Non-vested, beginning of year		579,700		$	4.14
Granted		555,092			2.52
Vested		(505,330	)		4.17
Forfeited		(74,475	)		3.77
Non-vested, end of year		554,987		$	2.54

Schedule of stock options granted using the Black-Scholes option pricing model [Table Text Block]

		January 2, 2021			December 28, 2019			December 29, 2018
Grant-date stock price	$	4.64		$	3.57		$	7.56
Dividend yield(1)		0%			0%			0%
Expected volatility(2)		60.0%			48.6%			41.1%
Risk-free interest rate(3)		0.4%			2.3%			2.9%
Expected life of options (years)(4)		6.0			5.8			6.0

 

(1)	Determined based on expected annual dividend yield at the time of grant.
(2)	Determined based on historical volatility of the Company’s Common Shares over the expected life of the option.
(3)	Determined based on the yield on U.S. Treasury zero-coupon issues with maturity dates equal to the expected life of the option.
(4)	Determined based on the mid-point of vesting (one through three years) and expiration (10 years).

Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

										Weighted-
										average
										remaining			Weighted-						Weighted-
Exercise price range							Outstanding			contractual life			average exercise			Exercisable			average exercise
	Low			High			options			(years)			price			options			price
$	3.25		$	4.72			232,232			6.38		$	3.40			177,524		$	3.28
	4.73			4.94			484,944			9.52			4.73			—			—
	4.95			7.09			486,955			3.76			6.12			483,955			6.12
	7.10			9.48			317,967			4.22			7.98			305,632			7.99
	9.49			13.86			648,682			5.41			9.99			648,682			9.99
							2,170,780			5.89		$	6.95			1,615,793		$	7.72

Restricted stock units ("RSUs") [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

The following table summarizes non-vested RSU activity during the year ended January 2, 2021:

					Weighted-
					average grant-
		RSUs			date fair value
Non-vested, beginning of year		413,013		$	5.64
Granted		647,565			3.20
Vested		(361,579	)		5.50
Forfeited		(51,700	)		4.28
Non-vested, end of year		647,299		$	3.39

Performance Share Unit ("PSUs") [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of non-vested PSU activity [Table Text Block]

The following table summarizes non-vested PSU activity during the year ended January 2, 2021:

							Weighted-
							average grant-
			PSUs				date fair value
Non-vested, beginning of year			2,936,115				$				4.08
Granted			3,084,107								3.54
Vested			(1,142,813	)							3.42
Forfeited or cancelled			(1,872,734	)							4.43
Non-vested, end of year			3,004,675				$				3.56

Chief Executive Officer [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock options granted using the Black-Scholes option pricing model [Table Text Block]

	Stock Options			PSUs
Grant-date stock price	$	3.36		$	3.36
Exercise price	$	3.36			NA
Dividend yield		0%			0%
Expected volatility(1)		47.9%			55.7%
Risk-free interest rate(2)		2.4%			2.3%
Expected life (in years)(3)		6.5			1.8

(1) Determined based on the historical volatility of the Common Shares over the expected life of the stock options and performance period of the PSUs.

(2) Determined based on U.S. Treasury yields with a remaining term equal to the expected life of the stock options and performance period of the PSUs.

(3) Determined based on the mid-point of vesting (three years) and expiration (ten years) for the stock options and the derived service period for the PSUs. 

Schedule of non-vested equity awards [Table Text Block]

The following table summarizes activity related to Mr. Ennen's non-vested equity awards during the year ended January 2, 2021:

			Adjusted EBITDA	Stock price
	Stock		performance	performance
	options	RSUs	PSUs	PSUs
Non-vested, beginning of year	960,061	512,619	892,857	892,857
Vested	—	(170,873)	—	(595,238)
Non-vested, end of year	960,061	341,746	892,857	297,619

Chief Financial Officer [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock options granted using the Black-Scholes option pricing model [Table Text Block]

	Stock Options			PSUs
Grant-date stock price	$	2.38		$	2.38
Exercise price	$	2.38			NA
Dividend yield		0%			0%
Expected volatility(1)		49.7%			55.9%
Risk-free interest rate(2)		1.4%			1.4%
Expected life (in years)(3)		6.5			2.1

(1) Determined based on the historical volatility of the Common Shares over the expected life of the stock options and performance period of the PSUs.

(2) Determined based on U.S. Treasury yields with a remaining term equal to the expected life of the stock options and performance period of the PSUs.

(3) Determined based on the mid-point of vesting (three years) and expiration (ten years) for the stock options and the derived service period for the PSUs. 

Schedule of non-vested equity awards [Table Text Block]

The following table summarizes activity related to Mr. Huckins' non-vested equity awards during the year ended January 2, 2021:

			Adjusted EBITDA	Stock price
	Stock		performance	performance
	options	RSUs	PSUs	PSUs
Non-vested, beginning of year	262,182	327,819	173,319	173,319
Vested	—	(109,273)	—	(115,546)
Non-vested, end of year	262,182	218,546	173,319	57,773

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