Significant Accounting Policies Advertising (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Mar. 31, 2014
|
Mar. 31, 2013
|
Mar. 31, 2012
|
|
Marketing and Advertising Expense [Abstract] | |||
Advertising Expense | $ 9.6 | $ 10.0 | $ 10.2 |