Share-based compensation (Tables)

12 Months Ended

Jun. 27, 2015

Share-based Compensation [Abstract]

Schedule of Share-based Compensation, Stock Options, Activiy

A summary of activity related to stock options is presented below (options in thousands):

	Fiscal Year Ended June 27, 2015
	Number of Options		Weighted-Average Exercise Price Per Share		Weighted- Average Remaining Term in Years	Aggregate Intrinsic Value
Beginning options outstanding	850		$	77.26
Granted	181		$	147.75
Exercised	(170	)	$	49.26
Forfeited or expired	(4	)	$	128.76
Ending options outstanding	857		$	97.49	6.6	$	79.8
Options exercisable	515		$	74.16	5.4	$	59.9
Options expected to vest	334		$	132.47	8.4	$	19.4

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

The fair values were estimated using the Black-Scholes option pricing model with the following weighted-average assumptions:

	Fiscal Year
	2015		2014		2013
Dividend yield	0.3	%	0.3	%	0.3	%
Volatility, as a percent	27.1	%	32.7	%	34.9	%
Risk-free interest rate	1.7	%	1.8	%	0.8	%
Expected life in years	5.3		5.3		5.4

Schedule of Nonvested Share Activity

A summary of activity related to nonvested restricted shares is presented below (shares in thousands):

	Fiscal Year Ended June 27, 2015
	Number of Shares		Weighted- Average Grant Date Fair Value Per Share		Weighted- Average Remaining Term in Years	Aggregate Intrinsic Value
Beginning non-vested restricted shares outstanding	9		$	100.84
Granted	—		$	—
Vested	(9	)	$	100.84
Forfeited	—		$	—
Ending non-vested restricted shares outstanding	—		$	—	0.0	$	—

Schedule of Nonvested Service-based Units Activity

A summary of activity related to non-vested service-based restricted share units is presented below (units in thousands):

	Fiscal Year Ended June 27, 2015
	Number of Non-vested Service- Based Share Units		Weighted- Average Grant Date Fair Value Per Share		Weighted- Average Remaining Term in Years	Aggregate Intrinsic Value
Beginning non-vested service-based share units outstanding	247		$	112.89
Granted	135		$	153.99
Vested	(91	)	$	99.54
Forfeited	(8	)	$	126.13
Ending non-vested service-based share units outstanding	283		$	136.48	1.2	$	53.9

Schedule of Nonvested Performance-based Units Activity

A summary of activity related to non-vested performance-based restricted share units is presented below (units in thousands):

	Fiscal Year Ended June 27, 2015
	Number of Performance- Based Share Units		Weighted- Average Grant Date Fair Value Per Share		Weighted- Average Remaining Term in Years	Aggregate Intrinsic Value
Beginning non-vested performance-based share units outstanding	182		$	109.63
Granted	106		$	150.14
Vested	(56	)	$	91.14
Forfeited	(3	)	$	126.96
Ending non-vested performance-based share units outstanding	229		$	129.77	1.38	$	43.6