ACQUISITIONS (Details) (USD $)	1 Months Ended
	Jul. 02, 2011 dynaTrace [Member]	Jul. 02, 2011 dynaTrace [Member] Developed Technology Rights [Member]	Jul. 02, 2011 dynaTrace [Member] Trade Names [Member]	Jul. 02, 2011 dynaTrace [Member] Customer Relationships [Member]	Dec. 21, 2010 BEZ Systems, Inc [Member]	Dec. 21, 2010 BEZ Systems, Inc [Member] Developed Technology Rights [Member]	Sep. 17, 2010 DocSite LLC [Member]	Sep. 17, 2010 DocSite LLC [Member] Developed Technology Rights [Member]	Sep. 17, 2010 DocSite LLC [Member] Customer Relationships [Member]	Sep. 17, 2010 DocSite LLC [Member] Trademarks [Member]
Business Acquisition [Line Items]
Effective date of acquisition	Jul. 01, 2011				Dec. 21, 2010		Sep. 17, 2010
Purchase price of acquisition	$ 255,800,000				$ 2,500,000		$ 15,900,000
Direct acquisition cost	300,000
Goodwill recognized on acquisition	210,900,000				1,900,000		13,900,000
Borrowings under credit facility to fund the dynaTrace acquisition	129,500,000
Estimated fair value of intangible assets subject to amortization	42,000,000	28,500,000	9,800,000	3,700,000		1,000,000	3,960,000	1,900,000	1,800,000	260,000
Useful Life (in Years)		5 years	3 years	10 years		5 years		5 years	6 years	3 years
Amortization Method		Straight Line	Straight Line	Straight Line				Straight Line	Straight Line	Straight Line
Contingent consideration component							1,000,000
Fair value of contingent consideration							750,000
Fair value measurement assumptions - Levels of revenue (Lower range)							3,500,000
Fair value measurement assumptions - Levels of revenue (Upper range)							$ 4,500,000