Stock-based compensation (Tables)

12 Months Ended

Jun. 27, 2015

Stock-based compensation

Summary of the assumptions used to estimate the fair value of stock options

	Years Ended
	June 27,		June 28,		June 29,
	2015		2014		2013
Expected term (years)	6.0		6.0		6.0
Risk-free interest rate	1.9	%	1.7	%	0.9	%
Weighted average volatility	31.6	%	34.3	%	35.0	%
Dividend yield	1.8	%	1.5	%	—	%

Summary of the changes in outstanding options

		Weighted		Weighted Average
		Average		Remaining
	Shares	Exercise Price		Contractual Life
Outstanding at June 28, 2014	1,809,176	$	30.84	81 Months
Granted	331,048		41.07	110 Months
Exercised	(124,846)		24.65	36 Months
Forfeited or expired	—		—	—
Outstanding at June 27, 2015	2,015,378	$	32.90	71 Months
Exercisable at June 27, 2015	1,079,878	$	29.10	54 Months

Summary of the changes in non-vested stock options

		Weighted
		Average
		Grant-Date
	Shares	Fair Value
Non-vested stock options at June 28, 2014	988,656	$	10.86
Granted	331,048		11.68
Vested	(384,204)		10.37
Forfeited	—		—
Non-vested stock options at June 27, 2015	935,500	$	11.35

Summary of the changes in non-vested restricted incentive shares

		Weighted
		Average
		Grant-Date
	Shares	Fair Value
Non-vested restricted stock units at June 28, 2014	2,001,887	$	33.60
Granted	1,107,134		39.60
Vested	(1,076,621)		33.59
Forfeited	(102,048)	$	35.09
Non-vested restricted stock units at June 27, 2015	1,930,352	$	36.15