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Revenue Recognition - Schedule of Net Contract Assets (Liabilities) (Detail) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2018 | Apr. 01, 2018 | Mar. 31, 2018
Revenue From Contract With Customer [Abstract] |  |  |
Unbilled revenue | $ 10,582 | $ 6,092 | $ 8,079
Customer deposits (contract liabilities) | (30,539) | (26,585) | $ (13,213)
Net contract liabilities | (19,957) | $ (20,493) |
Unbilled revenue (contract assets) | 4,490 |  |
Customer deposits (contract liabilities) | (3,954) |  |
Net contract liabilities | $ 536 |  |

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- Definition The change in the balance of the contract with customer asset. + References No definition available. + Details
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- Definition The change in the net balance of the contract with customer asset and contract with customer liability. + References No definition available. + Details
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- Definition The change in the balance of the contract with customer asset. + References No definition available. + Details
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- Definition The net balance of current contract with customer assets and current contract with customer liabilities. + References No definition available. + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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