Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Disaggregation of Revenue (Details)

v3.20.1
Summary of Significant Accounting Policies - Summary of Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 28, 2019
Sep. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Disaggregation of Revenue [Line Items]                      
Net sales $ 284,798 $ 317,277 $ 324,628 $ 287,659 $ 276,587 $ 243,839 $ 246,154 $ 207,595 $ 1,214,362 $ 974,175 $ 838,368
Fastening and Hardware                      
Disaggregation of Revenue [Line Items]                      
Net sales                 728,489 718,455 662,051
Personal Protective                      
Disaggregation of Revenue [Line Items]                      
Net sales                 245,769 55,448 0
Keys and Key Accessories                      
Disaggregation of Revenue [Line Items]                      
Net sales                 189,460 148,115 120,630
Engraving                      
Disaggregation of Revenue [Line Items]                      
Net sales                 50,622 52,157 55,687
Resharp                      
Disaggregation of Revenue [Line Items]                      
Net sales                 22 0 0
Fastening, Hardware, and Personal Protective Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 853,016 636,717 528,969
Fastening, Hardware, and Personal Protective Solutions | Fastening and Hardware                      
Disaggregation of Revenue [Line Items]                      
Net sales                 607,247 581,269 528,969
Fastening, Hardware, and Personal Protective Solutions | Personal Protective                      
Disaggregation of Revenue [Line Items]                      
Net sales                 245,769 55,448 0
Fastening, Hardware, and Personal Protective Solutions | Keys and Key Accessories                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Fastening, Hardware, and Personal Protective Solutions | Engraving                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Fastening, Hardware, and Personal Protective Solutions | Resharp                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Consumer Connected Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 236,086 196,043 171,598
Consumer Connected Solutions | Fastening and Hardware                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Consumer Connected Solutions | Personal Protective                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Consumer Connected Solutions | Keys and Key Accessories                      
Disaggregation of Revenue [Line Items]                      
Net sales                 185,451 143,898 115,924
Consumer Connected Solutions | Engraving                      
Disaggregation of Revenue [Line Items]                      
Net sales                 50,613 52,145 55,674
Consumer Connected Solutions | Resharp                      
Disaggregation of Revenue [Line Items]                      
Net sales                 22 0 0
Canada                      
Disaggregation of Revenue [Line Items]                      
Net sales                 125,260 141,415 137,801
Canada | Fastening and Hardware                      
Disaggregation of Revenue [Line Items]                      
Net sales                 121,242 137,186 133,082
Canada | Personal Protective                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Canada | Keys and Key Accessories                      
Disaggregation of Revenue [Line Items]                      
Net sales                 4,009 4,217 4,706
Canada | Engraving                      
Disaggregation of Revenue [Line Items]                      
Net sales                 9 12 13
Canada | Resharp                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
United States                      
Disaggregation of Revenue [Line Items]                      
Net sales                 1,070,173 822,028 693,600
United States | Fastening, Hardware, and Personal Protective Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 835,957 626,490 522,002
United States | Consumer Connected Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 234,216 195,538 171,598
United States | Canada                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Canada                      
Disaggregation of Revenue [Line Items]                      
Net sales                 133,035 143,864 137,801
Canada | Fastening, Hardware, and Personal Protective Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 5,905 1,944 0
Canada | Consumer Connected Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 1,870 505 0
Canada | Canada                      
Disaggregation of Revenue [Line Items]                      
Net sales                 125,260 141,415 137,801
Mexico                      
Disaggregation of Revenue [Line Items]                      
Net sales                 11,154 8,283 6,967
Mexico | Fastening, Hardware, and Personal Protective Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 11,154 8,283 6,967
Mexico | Consumer Connected Solutions                      
Disaggregation of Revenue [Line Items]                      
Net sales                 0 0 0
Mexico | Canada                      
Disaggregation of Revenue [Line Items]                      
Net sales                 $ 0 $ 0 $ 0