Fair Value (Details Textual) (Fair Value, Inputs, Level 3 [Member], Contingent Consideration Liability [Member])	3 Months Ended	12 Months Ended
Mar. 30, 2013	Dec. 29, 2012
Minimum [Member]
Fair Value of Financial Instrument (Textual) [Abstract]
Fair Value Inputs, Discount Rate	11.00%	11.00%
Maximum [Member]
Fair Value of Financial Instrument (Textual) [Abstract]
Fair Value Inputs, Discount Rate	16.00%	16.00%

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Name:	us-gaap_FairValueInputsDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration