XML 29 R47.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Student Receivables - Changes in Current and Non-Current Receivables Allowance (Parenthetical) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Receivables [Abstract] |  |  |  |
Recoveries of amounts previously written off | $ 1.0 | $ 1.4 | $ 3.3 | $ 4.5

X
- Definition The cash inflow from loans reinstated and recovered that were previously deemed uncollectible. + References No definition available. + Details
Name: | us-gaap_ProceedsFromRecoveriesOfLoanPreviouslyChargedOff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration