|
Business and summary of significant accounting policies (Details 4) (USD $)
In Millions, unless otherwise specified |
36 Months Ended | |
|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Long-lived assets (excluding goodwill) | ||
| Impairment charges related to long lived assets excluding goodwill | $ 0 | |
| Reclassifications | ||
| Amount of reduction in previously reported treasury stock and retained earnings | 429.6 | |
| Amount of current deferred revenue reclassified to long-term deferred revenue | 14.5 | |
| Amount reclassified from prepayments to other long-term assets | $ 5.5 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Represents the amount of current deferred revenue reclassified to long-term deferred revenue during the reporting period. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the amount reclassified from prepayments to other long-term assets during the reporting period. No definition available.
|
| X | ||||||||||
|
- Definition
Represents the amount of reduction in previously reported treasury stock and retained earnings. No definition available.
|
| X | ||||||||||
|
- Definition
The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|