Schedule of Future Minimum Lease Payments (Detail) $ in Thousands	Mar. 31, 2017 USD ($)
Sale Leaseback Transaction [Line Items]
2018	$ 33,090
2019	35,034
2020	37,016
2021	31,573
2022	18,215
Thereafter	21,121
Total future lease payments	176,049
Fiscal 2015 Sale/Leasebacks
Sale Leaseback Transaction [Line Items]
2018	9,604
2019	10,234
2020	11,497
2021	11,594
2022	10,283
Thereafter	8,990
Total future lease payments	62,202
Fiscal 2014 Sale/Leasebacks
Sale Leaseback Transaction [Line Items]
2018	23,486
2019	24,800
2020	25,519
2021	19,979
2022	7,932
Thereafter	12,131
Total future lease payments	$ 113,847

Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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