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Share Repurchase Plan	12 Months Ended
	Dec. 30, 2017
Equity [Abstract]
Share Repurchase Plan	11. Share Repurchase Plan On February 13, 2015, the Board of Directors approved a share repurchase program authorizing the Company to purchase up to $300,000 of its common shares through December 31, 2016. In December 2016, the Board of Directors authorized an extension through December 31, 2017 to purchase remaining common shares.  Under the plan, the Company repurchased 1,474,092 shares using cash of $74,523 in fiscal 2017, 2,152,716 shares using cash of $93,233 in fiscal 2016, and 3,148,901 shares using cash of $131,413 in fiscal 2015.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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