Share-Based Compensation (Tables)

9 Months Ended

Sep. 28, 2018

Stock-based compensation expense included in selling, general and administrative expenses

Stock-based compensation expense related to stock options, restricted stock awards ("RSAs"), restricted stock units ("RSUs") and performance stock units ("PSUs") is included in selling, general and administrative expenses in the accompanying Consolidated Statements of Operations and is comprised as follows (U.S. dollars in millions):



	Quarter ended				Nine months ended
	September 28, 2018		September 29, 2017		September 28, 2018		September 29, 2017
Stock options	$	—	$	0.1	$	0.1	$	0.4
RSUs/PSUs	1.7		2.8		7.6		8.1
RSAs	0.1		—		1.1		0.9
Total	$	1.8	$	2.9	$	8.8	$	9.4

Restricted stock awards and related compensation expense

The following table lists RSAs awarded under the 2014 plan for the nine months ended September 28, 2018 and September 29, 2017:



Date of award	Shares of restricted stock awarded	Price per share
August 2, 2018	1,687	$	49.38
January 2, 2018	21,304	46.93
January 3, 2017	14,294	61.21

RSU and PSUs awarded

The following table lists the various RSUs and PSUs awarded under the 2014 Plan for the nine months ended September 28, 2018 and September 29, 2017 (U.S. dollars in millions, except share and per share data):



Date of award	Type of award	Units awarded	Price per share
June 25, 2018	RSU	2,000	$	44.78
February 21, 2018	PSU	85,000	46.35
February 21, 2018	RSU	125,000	46.35
August 2, 2017	RSU	48,700	49.75
February 22, 2017	PSU	100,000	56.52
February 22, 2017	RSU	50,000	56.52