Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 28, 2015	Dec. 27, 2015	Dec. 28, 2014
Accrued Expenses and Other Current Liabilities
Salaries, benefits and bonuses		$ 24,124	$ 19,427
Legal costs		13,163	995
Insurance reserves, current		13,382	11,149
Purchases		10,504	8,132
Deposits		2,953	4,120
Customer loyalty program		2,734	2,357
Marketing		1,977	1,543
Rent		1,940	1,626
Utilities		1,621	1,399
Consulting and professional fees		1,324	2,226
Other		7,196	5,319
Total		80,918	$ 58,293
Balance sheet related disclosures
Legal settlement expense	$ 8,000	$ 12,278

Accrued legal costs, current.

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Carrying value, as of the balance sheet date, of purchases incurred through that date but not received as of that date. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer).

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No definition available.

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Carrying amount, as of the balance sheet date, of obligations incurred and payable within one year based on retention levels for the Company's insurance programs.

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No definition available.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02.20)
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Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for utilities, such as electrical power, heating oil, natural gas, and water. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred within one year or the normal operating cycle, if longer, resulting from customer loyalty program. Excludes liability associated with frequent flier programs. Includes liability associated with customer loyalty programs for other businesses, for example, but is not limited to, hotels, supermarkets, credit card companies, automobile rental companies, and book sellers.

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The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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No definition available.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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