Stock-Based Compensation (Tables)

12 Months Ended

Jun. 27, 2015

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

Schedule of the impact on the entity's results of operations of recording stock-based compensation by function

The impact on our results of operations of recording stock-based compensation by function for fiscal 2015, 2014 and 2013 was as follows (in millions):

	Years Ended
	June 27, 2015	June 28, 2014	June 29, 2013
Cost of sales	5.1	5.6	5.5
Research and development	7.3	7.3	6.1
Selling, general and administrative	14.7	12.9	11.2
	27.1	25.8	22.8

Schedule of stock options activities

The following table summarizes our stock options activities in fiscal 2015(amount in millions except per share amounts):

	Options Outstanding
	Number of Shares		Weighted-Average Exercise Price
Balance as of June 28, 2014	1.2		9.97
Exercised	(0.4	)	8.56
Balance as of June 27, 2015	0.8		10.37

Schedule of significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of our outstanding and exercisable options as of June 27, 2015:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Aggregate Intrinsic Value (in millions)		Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Aggregate Intrinsic Value (in millions)
$0.00 - 10.00	326,944	2.0	$	5.20	$	2.2	326,944	2.0	$	5.20	$	2.2
10.01 - 20.00	397,503	3.0	10.46		0.6		397,503	3.0	10.46		0.6
20.01 - 30.00	112,500	3.6	25.05		—		112,500	3.6	25.05		—
	836,947	2.7	10.37		$	2.8	836,947	2.7	10.37		$	2.8

Schedule of employee stock purchase plan activity

The following table summarizes the shares issued to our employees and the fair market value at purchase date, during the year ended June 27, 2015:

Purchase Date	May 29, 2015		January 30, 2015		July 31, 2014
Shares Issued	149,330		250,666		221,998
Fair market value at purchase date	$	12.82	$	12.15	$	11.87

Schedule of changes in nonvested Full Value Awards

A summary of the status of our non-vested RSUs as of June 27, 2015 and changes during fiscal 2015 is presented below (amount in millions, except per share amounts):

	Full Value Awards
	Performance-based shares with market conditions		Time-based shares		Total number of shares		Weighted-average grant-dated fair value
Non-vested at June 28, 2014	0.3		2.7		3.0		$	13.11
Awards granted	0.2		1.6		1.8		11.70
Awards vested	(0.1	)	(1.4	)	(1.5	)	13.11
Awards forfeited	(0.1	)	(0.4	)	(0.5	)	12.18
Non-vested at June 27, 2015	0.3		2.5		2.8		$	12.38

Schedule of assumptions used to estimate the fair value of awards on the date of grant

We estimate the fair value of the MSUs on the date of grant using a Monte Carlo simulation with the following assumptions:

	Years Ended
	June 27, 2015		June 28, 2014		June 29, 2013
Volatility of common stock	40.8	%	53.9	%	57.5	%
Average volatility	53.4	%	58.6	%	58.3	%
Average correlation coefficient	0.2156		0.2920		0.3208
Risk-free interest rate	0.6	%	0.8	%	0.4	%