GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule Of Intangible Assets Gross Carrying Amounts And Accumulated Amortization) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Sep. 30, 2015
Goodwill and Other Intangible Assets [Line Items]
Goodwill	$ 305,704	$ 291,157
Less: accumulated amortization	54,832	46,292
Patents [Member]
Goodwill and Other Intangible Assets [Line Items]
Gross carrying amount	897	892
Less: accumulated amortization	693	657
Net	204	235
Capitalized Software [Member]
Goodwill and Other Intangible Assets [Line Items]
Gross carrying amount	51,728	45,470
Less: accumulated amortization	25,148	20,115
Net	26,580	25,355
Customer Relationships [Member]
Goodwill and Other Intangible Assets [Line Items]
Gross carrying amount	84,740	70,527
Less: accumulated amortization	27,721	24,775
Net	57,019	45,752
Other [Member]
Goodwill and Other Intangible Assets [Line Items]
Gross carrying amount	2,947	2,690
Less: accumulated amortization	926	401
Net	2,021	2,289
Trade names [Member]
Goodwill and Other Intangible Assets [Line Items]
Trade names	$ 118,047	$ 117,117