Stock-Based Compensation (Tables)

3 Months Ended

Sep. 29, 2018

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

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The following tables show total stock-based compensation expense by type of award, and the resulting tax effect, included in the Condensed Consolidated Statements of Income for the three months ended September 29, 2018 and September 23, 2017, respectively:

	Three Months Ended
	September 29, 2018								September 23, 2017
	Stock Options		Restricted Stock Units		Employee Stock Purchase Plan		Total		Stock Options		Restricted Stock Units		Employee Stock Purchase Plan		Total
	(in thousands)
Cost of goods sold	$	10	$	1,761	$	507	$	2,278	$	86	$	1,836	$	478	$	2,400
Research and development	11		8,692		1,155		9,858		308		6,588		970		7,866
Selling, general and administrative	56		7,645		661		8,362		363		6,130		528		7,021
Pre-tax stock-based compensation expense	$	77	$	18,098	$	2,323	$	20,498	$	757	$	14,554	$	1,976	$	17,287
Less: income tax effect							1,964								2,890
Net stock-based compensation expense							$	18,534							$	14,397

Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]

The following table summarizes outstanding, exercisable and vested and expected to vest stock options as of September 29, 2018 and their activity for the three months ended September 29, 2018:

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value (1)
Balance at June 30, 2018	1,688,253		$	27.72
Options Granted	—		—
Options Exercised	(331,332	)	26.66
Options Cancelled	(3,439	)	28.08
Balance at September 29, 2018	1,353,482		$	27.98	1.7	$	42,687,390
Exercisable, September 29, 2018	1,353,482		$	27.98	1.7	$	42,687,390
Vested and expected to vest, September 29, 2018	1,353,482		$	27.98	1.7	$	42,687,390

(1) Aggregate intrinsic value represents the difference between the exercise price and the closing price per share of the Company’s common stock on September 28, 2018, the last business day preceding the fiscal quarter-end, multiplied by the number of options outstanding, exercisable or vested and expected to vest as of September 29, 2018.

Share-based Compensation Arrangements by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block]

The following table summarizes the outstanding and expected to vest RSUs and other awards as of September 29, 2018 and their activity during the three months ended September 29, 2018:

	Number of Shares		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value (1)
Balance at June 30, 2018	5,524,432
Restricted stock units and other awards granted	1,232,654
Restricted stock units and other awards released	(407,431	)
Restricted stock units and other awards cancelled	(127,997	)
Balance at September 29, 2018	6,221,658		3.0	$	370,516,643
Outstanding and expected to vest, September 29, 2018	5,121,814		2.9	$	304,850,402

(1) Aggregate intrinsic value for RSUs and other awards represents the closing price per share of the Company’s common stock on September 28, 2018, the last business day preceding the fiscal quarter-end, multiplied by the number of RSUs outstanding or expected to vest as of September 29, 2018.

Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block]

The following table summarizes the number of MSUs outstanding and expected to vest as of September 29, 2018 and their activity during the three months ended September 29, 2018:

	Number of Shares		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value (1)
Balance at June 30, 2018	1,079,064
Market stock units granted	247,804
Market stock units released	(13,594	)
Market stock units cancelled	(245,082	)
Balance at September 29, 2018	1,068,192		3.1	$	63,578,788
Outstanding and expected to vest, September 29, 2018	925,295		3.0	$	55,073,544

(1) Aggregate intrinsic value for MSUs represents the closing price per share of the Company’s common stock on September 28, 2018, the last business day preceding the fiscal quarter-end, multiplied by the number of MSUs outstanding or expected to vest as of September 29, 2018.

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

The fair value of 2008 ESPP rights granted to employees has been estimated at the date of grant using the Black-Scholes option valuation model using the following assumptions for the offering periods outstanding:

	Three Months Ended
	September 29, 2018	September 23, 2017
Expected holding period (in years)	0.5 years	0.5 years
Risk-free interest rate	1.6% - 2.1%	0.8% - 1.1%
Expected stock price volatility	19.6% - 32.7%	19.1% - 24.7%
Dividend yield	2.8% -3.1%	3.0% - 3.4%