v3.21.1
Long-Term Debt: - Guaranteed Preferred Beneficial Interest in the Company's Junior Subordinated Debentures (Details) - Hman Group holdings Inc and subsidiaries - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2014
Mar. 27, 2021
Mar. 28, 2020
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Debt Instrument [Line Items]            
Interest on junior subordinated debentures   $ 3,152 $ 3,152 $ 12,707 $ 12,608 $ 12,608
Unamortized premium on 11.6% Junior Subordinated Debentures   $ 14,187   14,591 16,110  
11.6% Junior Subordinated Debentures            
Debt Instrument [Line Items]            
Face amount of debt       105,443    
Interest on junior subordinated debentures       12,231    
Fair value of debentures $ 131,141          
Amortization of premium on debentures $ 22,437          
Junior Subordinated Debentures - Common            
Debt Instrument [Line Items]            
Interest on junior subordinated debentures       12,329 $ 11,211 $ 12,230
The Hillman Group Capital Trust ("Trust")            
Debt Instrument [Line Items]            
Proceeds from underwritten public offering of TOPrS       $ 105,443    
Number of TOPrS issued       4,217,724    
Trust common securities issued to the company       $ 3,261    
Price underlying the Trust Preferred Securities (in dollars per share) $ 30.32          
The Hillman Group Capital Trust ("Trust") | 11.6% Junior Subordinated Debentures            
Debt Instrument [Line Items]            
Interest rate (as a percent)       11.60%