XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.21.2

Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2021 | Sep. 26, 2020 | Sep. 25, 2021 | Sep. 26, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 364,480 | $ 398,680 | $ 1,081,476 | $ 1,041,226
Fastening and Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 224,583 | 241,259 | 672,310 | 642,262
Personal Protective |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 71,600 | 97,443 | 218,039 | 239,229
Keys and Key Accessories |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 53,364 | 45,764 | 146,314 | 121,040
Engraving |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 14,873 | 14,207 | 44,688 | 38,671
Resharp |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 60 | 7 | 125 | 24
Hardware and Protective Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 261,456 | 300,307 | 775,514 | 782,983
Hardware and Protective Solutions | Fastening and Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 189,935 | 202,876 | 557,745 | 543,832
Hardware and Protective Solutions | Personal Protective |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 71,521 | 97,431 | 217,769 | 239,151
Hardware and Protective Solutions | Keys and Key Accessories |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Hardware and Protective Solutions | Engraving |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Hardware and Protective Solutions | Resharp |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Robotics and Digital Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 67,499 | 59,186 | 189,729 | 157,691
Robotics and Digital Solutions | Fastening and Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Robotics and Digital Solutions | Personal Protective |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Robotics and Digital Solutions | Keys and Key Accessories |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 52,586 | 44,974 | 144,969 | 119,001
Robotics and Digital Solutions | Engraving |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 14,853 | 14,205 | 44,635 | 38,666
Robotics and Digital Solutions | Resharp |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 60 | 7 | 125 | 24
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 35,525 | 39,187 | 116,233 | 100,552
Canada | Fastening and Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 34,648 | 38,383 | 114,565 | 98,430
Canada | Personal Protective |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 79 | 12 | 270 | 78
Canada | Keys and Key Accessories |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 778 | 790 | 1,345 | 2,039
Canada | Engraving |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 20 | 2 | 53 | 5
Canada | Resharp |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 322,970 | 354,255 | 948,548 | 927,313
United States | Hardware and Protective Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 256,407 | 295,689 | 760,946 | 771,064
United States | Robotics and Digital Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 66,563 | 58,566 | 187,602 | 156,249
United States | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 38,327 | 42,099 | 123,505 | 106,827
Canada | Hardware and Protective Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,866 | 2,292 | 5,145 | 4,833
Canada | Robotics and Digital Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 936 | 620 | 2,127 | 1,442
Canada | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 35,525 | 39,187 | 116,233 | 100,552
Mexico |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 3,183 | 2,326 | 9,423 | 7,086
Mexico | Hardware and Protective Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 3,183 | 2,326 | 9,423 | 7,086
Mexico | Robotics and Digital Solutions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Mexico | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 0 | $ 0 | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=hlm_FasteningandHardwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hlm_PersonalProtectionSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hlm_KeyandKeyAccessoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hlm_EngravingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=hlm_ResharpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hlm_FastenersHardwareandPersonalProtectionSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hlm_ConsumerConnectedSolutionsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=hlm_CanadaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=hlm_OTHERDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |