Carrying Amount, Estimated Fair Value and Placement in Fair Value Hierarchy for Financial Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 81,910	$ 123,497	$ 217,367	$ 331,047
Short-term investments	55,179	85,007
Restricted cash	87,338	65,401
Mortgage loans, net of allowance	12,629	7,811
Educations loans, net of allowance	62,996	33,095
Time deposits	38,922	43,155
Savings, checking and money market deposits	125,055	40,273
Restricted funds due to clients	86,994	104,981
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	81,910	123,497
Short-term investments	55,179	85,007
Restricted cash	87,338	65,401
Mortgage loans, net of allowance	12,538	7,811
Educations loans, net of allowance	63,197	33,280
Time deposits	39,273	43,248
Savings, checking and money market deposits	125,055	40,273
Restricted funds due to clients	86,994	104,981
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	81,910	123,497
Short-term investments	55,179	85,007
Restricted cash	87,338	65,401
Savings, checking and money market deposits	125,055	40,273
Restricted funds due to clients	86,994	104,981
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Time deposits	39,273	43,248
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans, net of allowance	12,538	7,811
Educations loans, net of allowance	$ 63,197	$ 33,280