Stockholders' Equity (Tables)

12 Months Ended

Oct. 03, 2014

Stockholders' Equity Note [Abstract]

Dividends Declared

During the fiscal year ended October 3, 2014, the Company declared cash dividends per common share during the period presented as follows (in millions except per share amounts):

	Per Share		Total
First quarter	$	—	$	—
Second quarter	—		—
Third quarter	0.11		20.8
Fourth quarter	0.11		20.9
	$	0.22	$	41.7

Schedule of Share-based Compensation, Stock Options, Activity

The following table represents a summary of the Company's stock options:

	Shares (in millions)		Weighted average exercise price		Weighted average remaining contractual life (in years)	Aggregate intrinsic value (in millions)
Balance outstanding at September 27, 2013	10.7		$	16.76
Granted	1.8		$	29.56
Exercised	(4.8	)	$	14.20
Canceled/forfeited	(0.2	)	$	21.39
Balance outstanding at October 3, 2014	7.5		$	21.26	4.3	$	254.2
Exercisable at October 3, 2014	3.0		$	16.46	3.1	$	117.1

Schedule of Other Share-based Compensation, Activity

The following table represents a summary of the Company's restricted and performance transactions:

	Shares (In millions)		Weighted average grant date fair value
Non-vested awards outstanding at September 27, 2013	5.7		$	20.31
Granted (1)	2.6		$	26.69
Vested	(2.3	)	$	21.11
Canceled/forfeited	(0.3	)	$	19.95
Non-vested awards outstanding at October 3, 2014	5.7		$	21.48
(1) includes performance shares granted and earned based on maximum performance under the underlying performance metrics

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value

The following table summarizes the total intrinsic value for stock options exercised and awards vested (in millions):

	Fiscal Years Ended
	October 3 2014		September 27 2013		September 28 2012
Options	$	101.3	$	26.2	$	54.5
Awards	$	63.1	$	53.5	$	53.8

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table summarizes pre-tax share-based compensation expense by financial statement line and related tax benefit (in millions):

	Fiscal Years Ended
	October 3, 2014		September 27, 2013		September 28, 2012
Cost of goods sold	$	11.3	$	10.2	$	9.4
Research and development	36.2		28.2		28.0
Selling, general and administrative	38.5		33.3		34.8
Total share-based compensation expense	$	86.0	$	71.7	$	72.2
Share-based compensation tax benefit	$	25.6	$	21.4	$	22.2

Schedule of Unrecognized Compensation Cost, Nonvested Awards

The following table summarizes total compensation costs related to unvested share based awards not yet recognized and the weighted average period over which it is expected to be recognized at October 3, 2014:

	Unrecognized compensation cost for unvested awards (in millions)		Weighted average remaining recognition period (in years)
Options	$	28.1	2.1
Awards	$	56.8	1.5

Schedule of Share-based Payment Awards, Performance Shares, Valuation Assumptions Used

The fair value of these performance share units were estimated on the date of the grant using a Monte Carlo simulation with the following weighted average assumptions:

	Fiscal Year Ended
	October 3, 2014
Volatility of common stock	36.96	%
Average volatility of peer companies	29.59	%
Average correlation coefficient of peer companies	0.47
Risk-free interest rate	0.11	%

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

The fair value of each stock option is estimated on the date of the grant using the Black-Scholes option pricing model with the following weighted average assumptions:

	Fiscal Years Ended
	October 3, 2014		September 27, 2013		September 28, 2012
Expected volatility	47.40	%	57.71	%	59.21	%
Risk-free interest rate	1.83	%	1.29	%	0.52	%
Dividend yield	0.83		0.00		0.00
Expected option life (in years)	4.6		4.2		4.1