Stock-Based Compensation (Tables)

9 Months Ended

Mar. 28, 2015

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 three and nine months ended March 28, 2015 and March 29, 2014 was as follows (in millions):

	Three Months Ended				Nine Months Ended
	March 28, 2015		March 29, 2014		March 28, 2015		March 29, 2014
Cost of sales	$	2.3	$	2.7	$	7.0	$	7.7
Research and development	3.9		4.1		11.5		11.7
Selling, general and administrative	13.4		10.1		31.8		28.9
	$	19.6	$	16.9	$	50.3	$	48.3

Schedule of valuation assumptions for MSU using Monte Carlo simulation

	Nine Months Ended
	March 28, 2015		March 29, 2014
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	%