Employee Stock Plans (Tables)

9 Months Ended

Jun. 27, 2014

The table below summarizes the net share-based compensation expense recognized for employee stock awards and for the option component of the employee stock purchase plan shares:

	Three Months Ended						Nine Months Ended
	June 27,			June 28,			June 27,			June 28,
(In thousands)	2014			2013			2014			2013
Cost of revenues - Product	$	950		$	1,058		$	2,374		$	3,443
Cost of revenues - Service		1,330			1,069			3,392			2,530
Research and development		1,771			1,515			4,392			4,741
Selling, general and administrative		7,363			6,882			19,896			23,201
Total share-based compensation expense		11,414			10,524			30,054			33,915
Tax effects		(3,564	)		(3,181	)		(9,301	)		(10,359	)
Net share-based compensation expense	$	7,850		$	7,343		$	20,753		$	23,556

Fair Value of Employee Stock Option Plans With Weighted Average Assumptions

The fair value of options granted was estimated at the date of grant using the Black-Scholes model with the following weighted average assumptions:

	Three Months Ended					Nine Months Ended
	June 27,		June 28,			June 27,			June 28,
	2014		2013			2014			2013
Employee Stock Option Plans
Expected term (in years)	-			4.77			4.13		4.76
Risk-free interest rate	-			0.7	%		1.2	%		0.6	%
Expected volatility	-			29.6	%		24.6	%		32.2	%
Expected dividend	-			0.0	%		0.0	%		0.0	%
Weighted average fair value at grant date	$	-	$	18.21		$	18.23		$	19.73

Fair Value of Employee Stock Purchase Plan With Weighted Average Assumptions

The option component of employee stock purchase plan shares was estimated at the date of grant using the Black-Scholes model with the following weighted average assumptions:

	Three Months Ended						Nine Months Ended
	June 27,			June 28,			June 27,			June 28,
	2014			2013			2014			2013
Employee Stock Purchase Plan
Expected term (in years)		0.50			0.50			0.50			0.50
Risk-free interest rate		0.1	%		0.1	%		0.1	%		0.1	%
Expected volatility		11.1	%		13.6	%		12.8	%		16.5	%
Expected dividend		0.0	%		0.0	%		0.0	%		0.0	%
Weighted average fair value at grant date	$	14.42		$	12.21		$	14.20		$	12.95

Summary of Share-Based Awards Available for Grant

A summary of share-based awards available for grant is as follows:

	Shares
	Available
(In thousands)	for Grant
Balance at September 27, 2013		9,925
Granted		(1,923	)
Cancelled or expired		151
Balance at June 27, 2014		8,153

Activity Under Employee Stock Plans

Activity under the Company’s employee stock plans is presented below:

	Options Outstanding
						Weighted-
				Weighted		Average
				Average		Remaining		Aggregate
	Number of			Exercise		Contractual		Intrinsic
(In thousands, except per share amounts)	Shares			Price		Term (in years)		Value (1)
Balance at September 27, 2013		4,485		$	53.02
Granted		619			83.49
Cancelled or expired		(36	)		71.03
Exercised		(1,421	)		48.39
Balance at June 27, 2014		3,647		$	59.84		3.4	$	87,565

Exercisable at June 27, 2014		2,688		$	53.64		2.4	$	81,202

(1) The aggregate intrinsic value represents the total pre-tax intrinsic value of options, which is computed based on the difference between the exercise price and VMS’s closing common stock price of $83.85 as of June 27, 2014, the last trading date of the third quarter of fiscal year 2014, and which would have been received by the option holders had all option holders exercised and sold their options as of that date.

Activity for Restricted Stock, Restricted Stock Units, Deferred Stock Units and Performance Units

The activity for restricted stock, restricted stock units, deferred stock units and performance units is summarized as follows:

				Weighted Average
				Grant-Date Fair
(In thousands, except per share amounts)	Shares			Value
Balance at September 27, 2013		1,035		$	64.36
Granted		467			82.50
Vested		(331	)		63.40
Cancelled or expired		(38	)		70.40
Balance at June 27, 2014		1,133		$	72.10