Fair Value Measurements Cash, cash equivalents and marketable securities (Tables)	6 Months Ended
Sep. 30, 2016
Cash, cash equivalents and marketable securities [Abstract]
Cash, Cash Equivalents, and Short-term Investments [Text Block]
Cash, cash equivalents and marketable securities [Table Text Block]

The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities.

No definition available.

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