Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended											10 Months Ended	12 Months Ended
	Apr. 25, 2014 segment restaurant state	Apr. 26, 2013	Apr. 27, 2012	Apr. 26, 2013 Kettle Creations	Apr. 25, 2014 BEF Foods Noncompetition Agreements	Apr. 25, 2014 Mimi's Cafe Restaurant Concept	Apr. 25, 2014 Building and Improvements Minimum	Apr. 25, 2014 Building and Improvements Maximum	Apr. 25, 2014 Machinery and Equipment Minimum	Apr. 25, 2014 Machinery and Equipment Maximum	Apr. 25, 2014 ERP System	Feb. 15, 2013 Mimi's Café	Apr. 25, 2014 Mimi's Café	Apr. 26, 2013 Mimi's Café	Apr. 25, 2014 Restricted Stock Awards (RSAs)	Apr. 25, 2014 Restricted Stock Units (RSUs)	Apr. 25, 2014 Selling, General and Administrative Expenses	Apr. 26, 2013 Selling, General and Administrative Expenses	Apr. 26, 2013 Cost of Sales	Apr. 27, 2012 Cost of Sales
Property, Plant and Equipment [Line Items]
Number of reporting segments	2
Number of Stores	561
Number of States in which Entity Operates	19
Allowance for Doubtful Accounts Receivable	$ 71	$ 29
Sale note receivable												30,000		30,000
Sale interest rate												1.50%		1.50%
Sale note receivable term												7 years		7 years
Additional funding, requirement													10,000
Inventory, Raw Materials and Supplies	16,163	13,540
Inventory, Finished Goods	9,080	8,951
Estimated Useful Life							15 years	50 years	3 years	30 years
Depreciation	79,299	69,201	60,273
Construction in progress	20,099	60,864									11,349
Long-term investments	31,972	29,723
Gain on long term investments																	2,249	1,277
Goodwill	19,634	19,634
Goodwill, Acquired During Period				18,067
Finite-Lived Intangible Asset, Useful Life					5 years	15 years
Impairment		39,398
Interest Free Note Payable	1,000
Long-term note receivable	16,243	13,815
Long-term debt	835	816
Preopening expenses	4,378	3,899	3,226
Advertising Expense	36,673	43,819	41,369
Prepaid Advertising	517	655
Promotional Expenses	95,583	87,246	71,014
Stock Options To Purchase	127,201	451,842	567,698
Stock based compensation cost	7,105	7,623	5,250
Tax Benefit Realized from Exercise of Stock Options	2,700	2,642	1,671
Vesting Period															3 years	3 years
Rental expense from continuing operations	13,567	12,486	10,032
Operating Lease Initial Term	20 years
Operating Lease Minimum Renewal Term	5 years
Operating Lease Maximum Renewal Term	30 years
Reclassification																			8,931	7,861
Credit facility borrowings	$ 458,898	$ 201,433