XML 103 R83.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Treasury Stock - Narrative (Details) - shares | Sep. 30, 2015 | Sep. 30, 2013 | Nov. 01, 2008
--- | --- | --- | ---
Stockholders' Equity Note [Abstract] |  |  |
Number of shares authorized to be repurchased (up to) (in shares) | 170,000 | 105,000 | 350,000

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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