Reclassification of Prior Periods (Tables)

12 Months Ended

Mar. 31, 2014

Accounting Changes and Error Corrections [Abstract]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

The effect on net cash provided by operating activities and net cash used in investing activities for the previous periods covered by this report are shown below (amounts in thousands):



	Year ended
	March 31, 2013
	As Reported			Adjustment			As Adjusted
Cash flows from operating activities
Amortization of premium on available-for-sale investments	$	—		$	13,186		$	13,186
Net cash provided by operating activities	446,179			13,186			459,365

Cash flows from investing activities
Purchases of available-for-sale investments	(985,791		)	(13,186		)	(998,977		)
Net cash used in investing activities	(936,756		)	(13,186		)	(949,942		)

	Year ended
	March 31, 2012
	As Reported			Adjustment			As Adjusted
Cash flows from operating activities
Amortization of premium on available-for-sale investments	$	—		$	15,520		$	15,520
Net cash provided by operating activities	396,458			15,520			411,978

Cash flows from investing activities
Purchases of available-for-sale investments	(1,133,625		)	(15,520		)	(1,149,145		)
Net cash used in investing activities	(256,482		)	(15,520		)	(272,002		)

- Definition

Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made.

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