Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies and Estimates (Intangible Assets) - Additional Information (Detail)

v2.4.1.9
Significant Accounting Policies and Estimates (Intangible Assets) - Additional Information (Detail) (Finite-Lived Intangible Assets [Member])
12 Months Ended
Sep. 30, 2014
Minimum [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Customer lists, non-compete agreements, customer relationships, management agreements and trade names, estimated useful lives 2 years
Maximum [Member]  
Fair Value Inputs, Assets, Quantitative Information [Line Items]  
Customer lists, non-compete agreements, customer relationships, management agreements and trade names, estimated useful lives 10 years