Stock-based Compensation (Tables)

9 Months Ended

Dec. 30, 2017

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

Summary of the total compensation expense and the associated income tax benefits recognized related to stock-based compensation arrangements

A summary of total stock-based compensation expense and the related income tax benefits recognized during the three-month and nine-month periods ended December 30, 2017 and December 31, 2016 is as follows:



	Three Months Ended							Nine Months Ended
	December 30, 2017				December 31, 2016			December 30, 2017				December 31, 2016
	(millions)
Compensation expense	$	16.9		^(a)	$	14.5		$	56.3		^(a)	$	46.4
Income tax benefit	(6.3		)		(5.3		)	(20.9		)		(17.0		)


^(a)	The three-month and nine-month periods ended December 30, 2017 include $0.7 million and $2.8 million, respectively, of accelerated stock-based compensation expense recorded within restructuring and other charges in the consolidated statements of operations (see Note 8). All other stock-based compensation expense was recorded within SG&A expenses.

Summary of the stock option activity under all plans

A summary of stock option activity under all plans during the nine months ended December 30, 2017 is as follows:



	Number of Options
	(thousands)
Options outstanding at April 1, 2017	1,720
Granted	—
Exercised	—
Cancelled/Forfeited	(537	)
Options outstanding at December 30, 2017	1,183

Restricted Stock And Service Based Restricted Stock Units [Member]

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

Summary of restricted stock and restricted stock unit activity

A summary of restricted stock and service-based RSU activity during the nine months ended December 30, 2017 is as follows:



	Number of Shares
	Restricted Stock	Service-based RSUs
	(thousands)
Nonvested at April 1, 2017	19	922
Granted	—	695
Vested	—	(325	)
Forfeited	—	(140	)
Nonvested at December 30, 2017	19	1,152

Performance Shares [Member]

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

Summary of restricted stock and restricted stock unit activity

A summary of performance-based RSU activity during the nine months ended December 30, 2017 is as follows:



	Number of Shares
	Performance-based RSUs — without TSR Modifier		Performance-based RSUs — with TSR Modifier
	(thousands)
Nonvested at April 1, 2017	788		61
Granted	585		—
Change due to performance/market condition achievement	(12	)	(21	)
Vested	(149	)	(40	)
Forfeited	(28	)	—
Nonvested at December 30, 2017	1,184		—