Stock Purchase Plan (Details) - shares			3 Months Ended
	Apr. 22, 2009	Jun. 02, 2008	Dec. 27, 2020	Dec. 29, 2019	May 23, 2007
Treasury Stock, Shares [Abstract]
Repurchase of shares common stock (in shares)			0	0
2007 Stock Purchase Plan [Member]
Treasury Stock, Shares [Abstract]
Number of common stock shares authorized to purchase (in shares)					1,016,000
Amended 2007 Stock Purchase Plan [Member]
Treasury Stock, Shares [Abstract]
Number of common stock shares authorized to purchase (in shares)	3,016,000	2,016,000
Repurchase of shares common stock (in shares)	1,000,000	1,000,000