Restricted Cash (Details) $ in Thousands	9 Months Ended
Oct. 29, 2016 USD ($)
Restricted Cash [Abstract]
Restricted Cash and Investments	$ 16,100
Business Combination, Indemnification Assets, Amount as of Acquisition Date	1,500
Restricted Cash Maximum Earn Out Provision	$ 14,600

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant