Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

Related prior period information included on the Company's consolidated balance sheets has been retrospectively adjusted as follows (amounts in thousands).

	As of March 31, 2016
	As Reported		Adjustments			As Adjusted
Other assets	$	109,025	$	(29,632	)	$	79,393
Total assets	$	5,567,515	$	(29,632	)	$	5,537,883
Long-term debt	$	2,483,037	$	(29,632	)	$	2,453,405
Total liabilities and stockholder's equity	$	5,567,515	$	(29,632	)	$	5,537,883