Severance and Other Restructuring Costs (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 30, 2013
Severance and Restructuring Charges	$ 0.2

It represents the value of Severance and Restructuring Charges.

No definition available.

Name:	seac_SeveranceAndRestructuringCharges
Namespace Prefix:	seac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration