Business Segment Information Business Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 30, 2014	Sep. 30, 2014	Jul. 01, 2014	Apr. 01, 2014	Dec. 31, 2013	Sep. 24, 2013	Jun. 25, 2013	Mar. 26, 2013	Dec. 30, 2014	Dec. 31, 2013	Dec. 25, 2012	Dec. 27, 2011
Revenue, Net [Abstract]
Revenue, Net	$ 672,497	$ 619,890	$ 631,055	$ 605,753	$ 661,732	$ 572,480	$ 589,011	$ 561,779	$ 2,529,195	$ 2,385,002	$ 2,130,057
Segment Reporting Information, Operating Income (Loss) [Abstract]
Gross Profit									540,903	541,162	493,547
Depreciation, Depletion and Amortization									124,109	106,523	90,939
General and Administrative Expense									138,060	123,335	117,932
Pre-opening expenses									8,707	7,794	8,462
Interest Expense									1,824	1,053	1,082
Other (income) expense, net									(3,175)	(4,017)	(1,208)
Income before income taxes									277,294	312,720	282,996
Capital Expenditures [Abstract]
Payments to Acquire Property, Plant, and Equipment									224,217	192,010	152,328
Segment Reporting Segment Assets [Abstract]
Cash and Cash Equivalents, at Carrying Value	196,493				125,245				196,493	125,245	297,141	222,640
Accounts Receivable, Net, Current	36,584				32,965				36,584	32,965
Property, Plant and Equipment, Net	787,294				669,409				787,294	669,409
Assets	1,390,902				1,180,862				1,390,902	1,180,862
Segment Reconciling Items [Member]
Segment Reporting Information, Operating Income (Loss) [Abstract]
General and Administrative Expense									132,144	117,089	111,276
Segment Reporting Segment Assets [Abstract]
Cash and Cash Equivalents, at Carrying Value	196,493				125,245				196,493	125,245
Accounts Receivable, Net, Current	3,104				2,281				3,104	2,281
Property, Plant and Equipment, Net	84,224				53,587				84,224	53,587
Deposits and other	3,791				3,865				3,791	3,865
Other Assets	71,030				55,781				71,030	55,781
Company Bakery Cafe Operations [Member]
Revenue, Net [Abstract]
Revenue, Net									2,230,370	2,108,908	1,879,280
Franchise Operations [Member]
Revenue, Net [Abstract]
Revenue, Net									123,686	112,641	102,076
Intersegment Eliminations [Member] | Intersegment Eliminations [Member]
Revenue, Net [Abstract]
Revenue, Net									(194,865)	(184,469)	(163,607)
Operating Segments [Member]
Segment Reporting Segment Assets [Abstract]
Assets	1,032,260				940,103				1,032,260	940,103
Operating Segments [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information, Operating Income (Loss) [Abstract]
Depreciation, Depletion and Amortization									12,257	7,412	5,948
Capital Expenditures [Abstract]
Payments to Acquire Property, Plant, and Equipment									44,183	26,965	16,026
Operating Segments [Member] | Company Bakery Cafe Operations [Member]
Revenue, Net [Abstract]
Revenue, Net									2,230,370	2,108,908	1,879,280
Segment Reporting Information, Operating Income (Loss) [Abstract]
Gross Profit									400,261	413,474	380,432
Depreciation, Depletion and Amortization									103,239	90,872	78,198
Capital Expenditures [Abstract]
Payments to Acquire Property, Plant, and Equipment									167,856	153,584	122,868
Segment Reporting Segment Assets [Abstract]
Assets	953,896				867,093				953,896	867,093
Operating Segments [Member] | Franchise Operations [Member]
Revenue, Net [Abstract]
Revenue, Net									123,686	112,641	102,076
Segment Reporting Information, Operating Income (Loss) [Abstract]
Gross Profit									117,770	106,395	95,420
Segment Reporting Segment Assets [Abstract]
Assets	13,145				10,156				13,145	10,156
Operating Segments [Member] | Fresh dough and other product operations [Member]
Revenue, Net [Abstract]
Revenue, Net									370,004	347,922	312,308
Segment Reporting Information, Operating Income (Loss) [Abstract]
Gross Profit									22,872	21,293	17,695
Depreciation, Depletion and Amortization									8,613	8,239	6,793
Capital Expenditures [Abstract]
Payments to Acquire Property, Plant, and Equipment									12,178	11,461	13,434
Segment Reporting Segment Assets [Abstract]
Assets	$ 65,219				$ 62,854				$ 65,219	$ 62,854