XML 49 R30.htm IDEA: XBRL DOCUMENT v3.21.2
STOCKHOLDERS' EQUITY/MEMBERS' INTEREST - (Tables)
9 Months Ended
Oct. 02, 2021
Schedule of Capitalization, Equity [Line Items]  
Schedule of changes in ownership of Summit Holdings The following table summarizes the changes in our ownership of Summit Holdings:
 Summit Inc.
Shares (Class A)
LP UnitsTotalSummit Inc.
Ownership
Percentage
Balance — January 2, 2021114,390,595 2,873,170 117,263,765 97.5 %
Exchanges during period1,440,983 (1,440,983)— 
Stock option exercises1,744,256 — 1,744,256 
Other equity transactions989,116 — 989,116 
Balance — October 2, 2021118,564,950 1,432,187 119,997,137 98.8 %
Balance — December 28, 2019113,309,385 3,249,657 116,559,042 97.2 %
Exchanges during period196,542 (196,542)— 
Stock option exercises14,404 — 14,404 
Other equity transactions603,580 — 603,580 
Balance — September 26, 2020114,123,911 3,053,115 117,177,026 97.4 %
Schedule of Changes in Each Component of Accumulated Other Comprehensive Income (Loss) The changes in each component of accumulated other comprehensive income (loss) consisted of the following:
 Change in
 retirement plans
Foreign currency
 translation
 adjustments
Accumulated
 other
 comprehensive
 income (loss)
Balance — January 2, 2021$533 $4,670 $5,203 
Foreign currency translation adjustment, net of tax— 467 467 
Balance — October 2, 2021$533 $5,137 $5,670 
Balance — December 28, 2019$2,171 $1,277 $3,448 
Foreign currency translation adjustment, net of tax— (2,473)(2,473)
Balance — September 26, 2020$2,171 $(1,196)$975 
Summit Materials, LLC  
Schedule of Capitalization, Equity [Line Items]  
Schedule of Changes in Each Component of Accumulated Other Comprehensive Income (Loss) The changes in each component of accumulated other comprehensive income (loss) consisted of the following:
 
    Accumulated
  Foreign currency other
 Change intranslationCash flow hedgecomprehensive
 retirement plansadjustmentsadjustments(loss) income
Balance — January 2, 2021$(8,546)$(10,037)$— $(18,583)
Foreign currency translation adjustment— 682 — 682 
Balance — October 2, 2021$(8,546)$(9,355)$— $(17,901)
Balance — December 28, 2019$(6,317)$(14,654)$— $(20,971)
Foreign currency translation adjustment— (3,395)— (3,395)
Balance — September 26, 2020$(6,317)$(18,049)$— $(24,366)