XML 90 R74.htm IDEA: XBRL DOCUMENT v3.25.0.1
Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Changes in the carrying amount of goodwill    
Gross goodwill, beginning of the period $ 1,210.4 $ 954.7
Accumulated impairment, balance at the beginning of the period (505.6) (499.4)
Goodwill, balance at the beginning of the period 704.8 455.3
Goodwill resulting from business combinations 148.0 243.2
Impairments 0.0 0.0
Gross goodwill related to foreign currency translation (24.5) 12.5
Accumulated impairments related to foreign currency translation 6.2 (6.2)
Goodwill related to foreign currency translation (18.3) 6.3
Gross goodwill, end of the period 1,333.9 1,210.4
Accumulated impairment, balance at the end of the period (499.4) (505.6)
Goodwill, balance at the end of the period 834.5 704.8
T. A. Morrison & Co. Inc. (TAMCO)    
Changes in the carrying amount of goodwill    
Goodwill resulting from business combinations   51.3
Goodwill, period increase (decrease) 1.7  
ASPEQ Parent Holdings, Inc.    
Changes in the carrying amount of goodwill    
Goodwill resulting from business combinations   191.1
Goodwill, period increase (decrease) 3.9  
ITL    
Changes in the carrying amount of goodwill    
Goodwill, period increase (decrease)   0.8
Ingénia Technologies Inc.    
Changes in the carrying amount of goodwill    
Goodwill resulting from business combinations 142.4  
Goodwill, balance at the end of the period 133.6  
External revenues    
Changes in the carrying amount of goodwill    
Gross goodwill, beginning of the period 777.8 529.5
Accumulated impairment, balance at the beginning of the period (331.9) (328.2)
Goodwill, balance at the beginning of the period 445.9 201.3
Goodwill resulting from business combinations 148.0 242.4
Impairments 0.0 0.0
Gross goodwill related to foreign currency translation (18.5) 5.9
Accumulated impairments related to foreign currency translation 5.3 (3.7)
Goodwill related to foreign currency translation (13.2) 2.2
Gross goodwill, end of the period 907.3 777.8
Accumulated impairment, balance at the end of the period (326.6) (331.9)
Goodwill, balance at the end of the period 580.7 445.9
Detection and Measurement reportable segment    
Changes in the carrying amount of goodwill    
Gross goodwill, beginning of the period 432.6 425.2
Accumulated impairment, balance at the beginning of the period (173.7) (171.2)
Goodwill, balance at the beginning of the period 258.9 254.0
Goodwill resulting from business combinations 0.0 0.8
Impairments 0.0 0.0
Gross goodwill related to foreign currency translation (6.0) 6.6
Accumulated impairments related to foreign currency translation 0.9 (2.5)
Goodwill related to foreign currency translation (5.1) 4.1
Gross goodwill, end of the period 426.6 432.6
Accumulated impairment, balance at the end of the period (172.8) (173.7)
Goodwill, balance at the end of the period $ 253.8 $ 258.9