XML 25 R52.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Net Loss per Share Attributable to Common Stockholders - Summary of Weighted Average Outstanding Shares Excluded from Computation of Diluted Net Loss per Share (Details) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Apr. 30, 2015 | Apr. 30, 2014
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 26,815 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 96,316 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Redeemable convertible preferred stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 76,238 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_StatementClassOfStockAxis = us-gaap_RedeemableConvertiblePreferredStockMember
Options to purchase common stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 17,077 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_OptionsToPurchaseCommonStockMember | 18,247 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_OptionsToPurchaseCommonStockMember
Restricted Stock Units |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 5,663 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_RestrictedStockUnitsRSUMember | 1,070 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_RestrictedStockUnitsRSUMember
Warrants to purchase redeemable convertible |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 87 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_WarrantsToPurchaseRedeemableConvertiblePreferredStockMember
Repurchasable shares from early-exercised options and unvested restricted stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 651 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_RepurchasableSharesFromEarlyExercisedOptionsAndUnvestedRestrictedStockMember | 674 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_RepurchasableSharesFromEarlyExercisedOptionsAndUnvestedRestrictedStockMember
Contingently issuable common stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 161 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = box_ContingentlyIssuableCommonStockMember |
Employee Stock Purchase Plan |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 3,263 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_EmployeeStockMember |

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=box_ContingentlyIssuableCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=box_OptionsToPurchaseCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=box_RepurchasableSharesFromEarlyExercisedOptionsAndUnvestedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=box_WarrantsToPurchaseRedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_RedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |