Long-term debt - Summary of Long Term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Mar. 30, 2013
Debt Instrument [Line Items]
Long-term debt and Capital lease obligations	$ 54,750	$ 41,895
Current portion of long-term debt	4,537	3,795
Long-term debt	50,213	38,100
Capital leasing arrangements [Member] \| Land and Building [Member]
Debt Instrument [Line Items]
Obligation under capital leases	12,151	13,767
Term Loan From Investissement Quebec Prime Plus Seven Percent [Member]
Debt Instrument [Line Items]
Long-term debt	4,519
Term Loan From Investissement Quebec Prime Plus Five Point Five Percent [Member]
Debt Instrument [Line Items]
Long-term debt	4,708	7,590
Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term debt	28,000	18,000
Secured Debt [Member] \| Furniture and equipment [Member]
Debt Instrument [Line Items]
Obligation under capital leases	3,872	388
Cash contribution [Member]
Debt Instrument [Line Items]
Long-term debt	1,500	1,500
Term Loan From Investissement Quebec Prime Plus Three Point Five Percent [Member]
Debt Instrument [Line Items]
Long-term debt		$ 650

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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-Publisher FASB

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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