Acquired Intangible Asset Estimated Fair Value (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended				0 Months Ended
Nov. 15, 2013 Technology	Nov. 15, 2013 Customer relationships	Nov. 15, 2013 Other	Nov. 15, 2013 Parent Company	Jan. 28, 2011 Parent Company	Nov. 15, 2013 Parent Company Trade names	Nov. 15, 2013 Parent Company Other	Jan. 28, 2011 Maximum Other
Acquired Finite-Lived Intangible Assets [Line Items]
Amount				$ 85,000	$ 72,000	$ 2,000	$ 5,000
Useful Life	15 years	15 years	5 years					1 year

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration