Stockholders Equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended			1 Months Ended	9 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011	Feb. 28, 2011	Feb. 29, 2012 August 2011 Repurchase Agreement	Jun. 29, 2012 August 2011 Repurchase Agreement	Aug. 25, 2011 August 2011 Repurchase Agreement
Shareholders Equity
Repurchase agreement, amount paid								$ 250
Repurchase agreement, shares received								3,849,638
Percentage of shares delivered by BofA upon execution of repurchase agreement								85.00%
Remaining initial cash payment recorded as an equity forward contract							37.5
Percentage of initial cash payment recorded as an equity forward contract							15.00%
VMS common stock received upon settlement						375,449
Value of VMS common stock received upon settlement							25.0
Common stock repurchased, shares	1,500,000	630,921	3,000,000	4,178,395
Aggregate cash payments for accelerated share repurchase agreements and for shares repurchased in open market	$ 97.0	$ 0	$ 172.4	$ 306.1
Number of shares authorized to be repurchased by VMS Board of Directors					12,000,000
Remaining shares of common stock available for repurchase under authorization	4,433,718		4,433,718