Stock Based Compensation (Tables)

9 Months Ended

Sep. 26, 2015

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

Stock option activity for 2015 is summarized in the following table:



	Shares subject to option		Weighted average exercise price per share		Aggregate intrinsic value (in millions)
Outstanding at December 27, 2014	2,192,136		$	48.95
Granted	7,132		62.40
Expired / Forfeited	(11,158	)	69.28
Exercised	(240,269	)	31.96
Outstanding at September 26, 2015	1,947,841		$	50.96	$	14.6
Exercisable at September 26, 2015	1,343,978		$	43.26	$	14.6

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 2015 is summarized in the following table:



	Shares outstanding		Weighted average grant date fair value
December 27, 2014	651,849		$	59.76
Time-vested shares granted	22,339		65.20
Market-vested shares granted	23,637		64.21
Performance shares granted	62,722		72.61
Performance share adjustments	(1,132	)	78.97
Vested	(251,819	)	36.63
Forfeited	(9,213	)	75.12
September 26, 2015	498,383		$	73.12

Schedule of Compensation Expense

Compensation expense related to the Company's stock based compensation for the third quarter and year-to-date periods ended September 26, 2015 and September 27, 2014 was as follows:



	Third Quarter				Year-to-Date
(In millions)	2015		2014		2015		2014
Stock options	$	0.4	$	0.4	$	1.5	$	1.3
Time, performance and market vested share awards	3.2		2.7		10.3		10.2