Long-Term Debt: - Summary of Company's debt (Details) - Hman Group holdings Inc and subsidiaries - USD ($) $ in Thousands	Mar. 27, 2021	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Gross	$ 1,594,934	$ 1,549,792	$ 1,601,632
Unamortized premium on 11.6% Junior Subordinated Debentures	14,187	14,591	16,110
Unamortized discount on Senior Term Loan	(6,157)	(6,532)	(8,040)
Current portion of long term debt and capital leases	(11,442)	(11,481)	(11,358)
Deferred financing fees	(10,064)	(10,862)	(14,055)
Total long term debt, net	1,581,458	1,535,508	1,584,289
Revolving loans
Gross	120,000	72,000	113,000
Deferred financing fees		(1,412)	(1,841)
Senior term loan, due 2025
Gross	1,034,392	1,037,044	1,047,653
Unamortized discount on Senior Term Loan			(9,950)
Deferred financing fees			(14,293)
6.375% Senior Notes, due 2022
Gross		$ 330,000	$ 330,000
Interest rate (as a percent)		6.375%	6.375%	6.375%
11.6% Junior Subordinated Debentures - Preferred
Gross		$ 105,443	$ 105,443
Interest rate (as a percent)			11.60%	11.60%
Junior Subordinated Debentures - Common
Gross	$ 3,261	3,261	$ 3,261
Finance leases & other obligations
Gross		$ 2,044	$ 2,275

Amount of long-term debt and capital and finance lease obligation, classified as current.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt premium.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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