Stock-Based Compensation (Tables)

3 Months Ended

Sep. 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 months ended September 27,2014 and September 28,2013 was as follows (in millions):

	Three Months Ended
	September 27,		September 28,
	2014		2013
Cost of sales	$	2.4	$	2.4
Research and development		3.9		3.7
Selling, general and administrative		9.4		9.6
	$	15.7	$	15.7

Schedule of valuation assumptions for MSU using Monte Carlo simulation

The Company estimates the fair value of the MSUs on the date of grant using a Monte Carlo simulation with the following assumptions:

	Three Months Ended
	September 27,		September 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	%