XML 67 R57.htm IDEA: XBRL DOCUMENT v3.22.2.2
Accumulated Other Comprehensive Income, Changes in Accumulated Other Comprehensive Income by Component (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Balance attributable to SMP   $ 601,580
Other comprehensive income before reclassifications $ (4,069) (11,170)
Amounts reclassified from accumulated other comprehensive income 102 194
Other comprehensive income, net (3,967) (10,976)
Balance attributable to SMP 599,387 599,387
Reclassification out of Accumulated Other Comprehensive Income [Member]    
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Unrecognized gain relating to change in fair value of cash flow interest rate hedge 5,700 5,800
Unrecognized gain relating to change in fair value of cash flow interest rate hedge, net of tax 4,200 4,300
Unrecognized gain, net of cash settlements payments 100 300
Unrecognized gain, net of cash settlements payments, net of tax 100 200
Accumulated Other Comprehensive Income (Loss) [Member]    
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Balance attributable to SMP (15,178) (8,169)
Balance attributable to SMP (19,145) (19,145)
Foreign Currency Translation [Member]    
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Balance attributable to SMP (15,326) (8,221)
Other comprehensive income before reclassifications (8,164) (15,269)
Amounts reclassified from accumulated other comprehensive income 0 0
Other comprehensive income, net (8,164) (15,269)
Balance attributable to SMP (23,490) (23,490)
Unrecognized Postretirement Benefit Costs (Credit) [Member]    
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Balance attributable to SMP 43 52
Other comprehensive income before reclassifications 0 0
Amounts reclassified from accumulated other comprehensive income (2) (11)
Other comprehensive income, net (2) (11)
Balance attributable to SMP 41 41
Unrealized Derivative Gains (Losses) [Member]    
Changes in Accumulated Other Comprehensive Income by Component [Roll Forward]    
Balance attributable to SMP 105 0
Other comprehensive income before reclassifications [1] 4,095 4,099
Amounts reclassified from accumulated other comprehensive income 104 205
Other comprehensive income, net 4,199 4,304
Balance attributable to SMP $ 4,304 $ 4,304
[1]
Consists of the unrecognized gain relating to the change in fair value of the cash flow interest rate hedge of $5.7 million ($4.2 million, net of tax) and $5.8 million ($4.3 million, net of tax) in the three months and nine months ended September 30, 2022, respectively, and net of cash settlements payments of  $0.1 million ($0.1 million, net of tax) and $0.3 million ($0.2 million, net of tax) in the three months and nine months ended September 30, 2022, respectively.