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Subsequent Events - Additional Information (Detail) (Subsequent Event [Member], TLL [Member], USD $)
In Millions, except Share data, unless otherwise specified |
0 Months Ended |
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Feb. 02, 2015
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| Subsequent Event [Line Items] | |
| Business acquisition date of acquisition agreement | Dec. 22, 2014 |
| Payments to acquire business | $ 12.6us-gaap_PaymentsToAcquireBusinessesGross |
| Business acquisition equity interests issued or issuable number of shares issued | 344,055us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued |
| Business acquisition equity interest issued or issuable value assigned | 1.9us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned |
| Indemnification assets | 0.6us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate |
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Cash [Member]
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| Subsequent Event [Line Items] | |
| Indemnification assets |
1.4us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate / us-gaap_BusinessAcquisitionAxis = seac_TllMember / us-gaap_FairValueByAssetClassAxis = us-gaap_CashMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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Common Stock [Member]
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| Subsequent Event [Line Items] | |
| Indemnification assets |
0.5us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate / us-gaap_BusinessAcquisitionAxis = seac_TllMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
| Business combination consideration transferred |
5.6us-gaap_BusinessCombinationConsiderationTransferredOther1 / us-gaap_BusinessAcquisitionAxis = seac_TllMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
| Earnout payments based on certain operating performance metrics |
$ 2.5us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh / us-gaap_BusinessAcquisitionAxis = seac_TllMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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- Definition
Date when the business acquisition agreement was executed, in CCYY-MM-DD format. No definition available.
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- Definition
Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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