Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017
Related Party Transaction [Line Items]
Accounts receivable, allowance for doubtful accounts	$ 1,689	$ 2,066
Related party prepaid expenses and other current assets	29,043	36,972
Related party accounts payable	$ 30,128	$ 37,407
Preferred stock, par value (in USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	117,137,727	115,917,431
Common stock, shares outstanding (in shares)	87,140,939	92,041,288
Treasury stock, shares (in shares)	29,996,788	23,876,143
Affiliated Entity
Related Party Transaction [Line Items]
Related party prepaid expenses and other current assets	$ 3,082	$ 3,585
Related party accounts payable	$ 612	$ 444

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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