Stock-Based Compensation (Tables)

6 Months Ended

Dec. 27, 2014

Stock-Based Compensation

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

The impact on the Company’s results of operations of recording stock-based compensation by function for the three and six months ended December 27, 2014 and December 28, 2013 was as follows (in millions):

	Three Months Ended				Six Months Ended
	December 27,		December 28,		December 27,		December 28,
	2014		2013		2014		2013
Cost of sales	$	2.3	$	2.6	$	4.7	$	5.0
Research and development	3.7		3.9		7.6		7.6
Selling, general and administrative	9.0		9.2		18.4		18.8
	$	15.0	$	15.7	$	30.7	$	31.4

Schedule of valuation assumptions for MSU using Monte Carlo simulation

	Six Months Ended
	December 27,		December 28,
	2014		2013
Volatility of common stock	40.8	%	53.9	%
Average volatility of peer companies	53.4	%	58.6	%
Average correlation coefficient of peer companies	0.2156		0.2920
Risk-free interest rate	0.6	%	0.8	%