ACQUISITION (Details) - Summary of Fair Values of Assets Acquired (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
ACQUISITION (Details) - Summary of Fair Values of Assets Acquired [Line Items]
Goodwill	$ 370,172	$ 357,730
Sales & Marketing Group, Inc. [Member]
ACQUISITION (Details) - Summary of Fair Values of Assets Acquired [Line Items]
Current Assets, net of cash acquired	7,921
PP&E	1,376
Goodwill	11,617
Amortizable intangible assets	6,023
Indefinite life intangible assets	1,686
Total assets acquired	28,623
Total liabilities assumed	(6,903)
Net assets acquired	$ 21,720

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Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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