Activity Under Employee Stock Plans (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 27, 2013
Shares Available for Grant
Shares Available for Grant, Beginning Balance	9,925
Shares Available for Grant, Granted	(310)
Shares Available for Grant, Canceled or expired	24
Shares Available for Grant, Ending Balance	9,639
Number of Shares
Number of Shares, Options Outstanding	4,485
Number of Shares, Granted	11
Number of Shares, Canceled, expired or forfeited	(6)
Number of Shares, Exercised	(489)
Number of Shares, Options Outstanding	4,001
Number of Shares, Options Exercisable	3,419
Weighted Average Exercise Price
Weighted Average Exercise Price, Options Outstanding	$ 53.02
Weighted Average Exercise Price, Granted	$ 74.28
Weighted Average Exercise Price, Canceled, expired or forfeited	$ 65.76
Weighted Average Exercise Price, Exercised	$ 47.92
Weighted Average Exercise Price, Options Outstanding	$ 53.68
Weighted Average Exercise Price, Options Exercisable	$ 51.71
Weighted Average Remaining Contractual Term
Weighted - Average Remaining Contractual Term, Option Outstanding	3 years
Weighted - Average Remaining Contractual Term, Exercisable	2 years 7 months 6 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Option Outstanding	$ 92,915	[1]
Aggregate Intrinsic Value, Exercisable	$ 86,142	[1]

[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 $76.91 as of December 27, 2013, that last trading date of the first 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.