Stock Based Compensation (Tables)

3 Months Ended

Mar. 30, 2019

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

Stock option activity for the first quarter ended March 30, 2019 is summarized in the following table:



	Shares subject to option		Weighted average exercise price per share		Aggregate intrinsic value (in millions)
Outstanding at December 29, 2018	3,630,684		$	55.66
Expired / Forfeited	(13,758	)	66.76
Outstanding at March 30, 2019	3,616,926		$	55.62	$	—
Exercisable at March 30, 2019	2,368,571		$	59.33	$	—

Time Vested, Performance Vested and Market Vested Share Awards Activity

The Company also has time-vested, performance-vested and market-vested share awards. The activity for such awards in the first quarter ended March 30, 2019 is summarized in the following table:



	Shares outstanding		Weighted average grant date fair value
December 29, 2018	684,184		$	47.68
Market-vested shares granted	42,365		27.12
Performance shares granted	111,536		30.90
Performance share adjustments	(58,194	)	49.12
Vested	(89,796	)	50.64
Forfeited	(42,217	)	51.96
March 30, 2019	647,878		$	42.63

Schedule of Compensation Expense

Compensation expense related to the Company's stock-based compensation for the first quarters ended March 30, 2019 and March 31, 2018 was as follows:



	First Quarter
(In millions)	2019		2018
Stock options	$	0.6	$	0.8
Time, performance and market vested share awards	1.3		2.5