Derivative Instruments and Hedging Activity (Details) (Foreign Currency Exchange Forward Contracts) In Thousands, unless otherwise specified	Dec. 29, 2012 USD ($)	Dec. 29, 2012 CAD	Dec. 29, 2012 U S Dollar USD ($)	Dec. 29, 2012 Foreign Currency MXN
Foreign currency exchange contracts in aggregated notional amounts
Notional amounts	$ 11,303	11,193	$ 3,760	50,018

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant