Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
Sep. 29, 2012	Oct. 01, 2011
Changes in market value of derivative financial instruments, tax	$ 2,582	$ 2,303
Cash dividends, common share	$ 0.66	$ 0.60
November 2012
Dividends declared payable, per common share	$ 0.22
February 2013
Dividends declared payable, per common share	$ 0.23
May 2013
Dividends declared payable, per common share	$ 0.23
Common shares
Exercise of stock options, shares tendered for payment	39,751	181,648

Tax effect, net of reclassifications adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, which is attributable to the parent entity. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Topic 810

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-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683

+ Details