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Valuation and Qualifying Accounts (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013 Venezuela Customer	Mar. 31, 2014 Mexico Customer	Mar. 31, 2012 Mexico Customer
Valuation Allowance [Line Items]
Collections from accounts receivable		$ 3,151	$ 1,000
Revaluation of allowance for doubtful accounts	3,852
Amount uncollectible and removed from account receivable	$ 637	$ 8,843	$ 422

X

- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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X

- Definition

Amount of reorganization items related to revaluation of customer-related obligations such as, for example, changes in frequent flyer obligations in the airline industry.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 55

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56145-112766



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-Name Accounting Standards Codification

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=6916575&loc=d3e55730-112764

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- Definition

Cash receipts from customers during the current period which are usually for sales of goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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