Stock-Based Compensation (Tables)

6 Months Ended

Nov. 26, 2017

Share-based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The weighted-average fair value of non-qualified stock options and the related assumptions used in the Black-Scholes option pricing model were as follows.

	Stock Options Granted
	Six Months Ended
	November 26, 2017			November 27, 2016
Weighted-average fair value	$	14.63		$	9.08
Dividend yield	3.0		%	3.5		%
Expected volatility of stock	23.5		%	24.3		%
Risk-free interest rate	2.0		%	1.4		%
Expected option life (in years)	6.4			6.5
Weighted-average exercise price per share	$	85.83		$	59.70

Schedule of Nonvested Share Activity

The following table presents a summary of our stock-based compensation activity for the six months ended November 26, 2017:

(in millions)	Stock Options		Restricted Stock/ Restricted Stock Units		Darden Stock Units		Cash-Settled Performance Stock Units		Equity-Settled Performance Stock Units
Outstanding beginning of period	4.01		0.19		1.35		0.09		0.33
Awards granted	0.35		0.09		0.23		—		0.24
Awards exercised/vested	(0.35	)	(0.03	)	(0.29	)	(0.09	)	—
Awards forfeited	(0.02	)	—		(0.04	)	—		(0.01	)
Outstanding end of period	3.99		0.25		1.25		—		0.56

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

We recognized expense from stock-based compensation as follows:

	Three Months Ended				Six Months Ended
(in millions)	November 26, 2017		November 27, 2016		November 26, 2017		November 27, 2016
Stock options	$	1.2	$	1.6	$	2.4	$	3.1
Restricted stock/restricted stock units	1.1		0.3		1.8		0.7
Darden stock units	3.7		6.7		7.5		9.3
Cash-settled performance stock units	—		1.3		—		1.3
Equity-settled performance stock units	3.0		1.3		5.1		2.4
Employee stock purchase plan	0.3		0.3		0.6		0.6
Director compensation program/other	0.4		0.3		0.7		0.6
Total stock-based compensation expense	$	9.7	$	11.8	$	18.1	$	18.0