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Goodwill and Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Changes to goodwill during the years ended December 31, 2021 and 2020 were as follows:
(thousands of U.S. dollars)
Sterigenics
Nordion
Nelson Labs
Total
Goodwill at January 1, 2020$612,689 $281,890 $141,286 $1,035,865 
Iotron acquisition
69,046 — — 69,046 
Changes due to foreign currency exchange rates1,746 6,042 3,237 11,025 
Goodwill at December 31, 2020683,481 287,932 144,523 1,115,936 
Iotron acquisition measurement period adjustments(19,447)— — (19,447)
BioScience Labs acquisition
— — 8,354 8,354 
RCA acquisition
— — 20,638 20,638 
Changes due to foreign currency exchange rates(3,291)973 (2,843)(5,161)
Goodwill at December 31, 2021$660,743 $288,905 $170,672 $1,120,320 
Schedule of Acquired Finite-Lived Intangible Assets
Amortization of intangible assets is computed using the asset’s estimated useful lives as presented below:
Land-use rights41 years
Customer contracts and related relationships
7–20 years
Proprietary technology
3–20 years
Trade name/trademark8 years
Sealed source and supply agreements
7–20 years
Other intangible assets consisted of the following:
(thousands of U.S. dollars)
Gross Carrying
Amount
Accumulated
Amortization
As of December 31, 2021
Finite-lived intangible assets
Customer relationships$668,628 $365,935 
Proprietary technology88,826 44,866 
Trade names145 116 
Land-use rights9,744 1,586 
Sealed source and supply agreements241,611 109,838 
Other6,454 2,166 
Total finite-lived intangible assets
1,015,408 524,507 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
82,110 — 
Trade names / trademarks25,833 — 
Total indefinite-lived intangible assets
107,943 — 
Total
$1,123,351 $524,507 
As of December 31, 2020
Gross Carrying
Amount
Accumulated
Amortization
Finite-lived intangible assets
Customer relationships$634,454 $309,428 
Proprietary technology90,964 38,075 
Trade names156 105 
Land-use rights9,489 1,311 
Sealed source and supply agreements240,791 92,953 
Other1,937 519 
Total finite-lived intangible assets
977,791 442,391 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
81,832 — 
Trade names / trademarks26,134 — 
Total indefinite-lived intangible assets
107,966 — 
Total
$1,085,757 $442,391 
(a)Includes certain transportation certifications, a class 1B nuclear license and other intangibles related to obtaining such licensure. These assets are considered indefinite-lived as the decision for renewal by the Canadian Nuclear Safety Commission is highly based on a licensee’s previous assessments, reported incidents, and annual compliance and inspection results. New applications for license can take a significant amount of time and cost; whereas an existing licensee with a historical record of compliance and current operating conditions more than likely ensures renewal for another 10 years license period as Nordion has demonstrated over its 75 years of history.
Schedule of Acquired Indefinite-lived Intangible Assets
Other intangible assets consisted of the following:
(thousands of U.S. dollars)
Gross Carrying
Amount
Accumulated
Amortization
As of December 31, 2021
Finite-lived intangible assets
Customer relationships$668,628 $365,935 
Proprietary technology88,826 44,866 
Trade names145 116 
Land-use rights9,744 1,586 
Sealed source and supply agreements241,611 109,838 
Other6,454 2,166 
Total finite-lived intangible assets
1,015,408 524,507 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
82,110 — 
Trade names / trademarks25,833 — 
Total indefinite-lived intangible assets
107,943 — 
Total
$1,123,351 $524,507 
As of December 31, 2020
Gross Carrying
Amount
Accumulated
Amortization
Finite-lived intangible assets
Customer relationships$634,454 $309,428 
Proprietary technology90,964 38,075 
Trade names156 105 
Land-use rights9,489 1,311 
Sealed source and supply agreements240,791 92,953 
Other1,937 519 
Total finite-lived intangible assets
977,791 442,391 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
81,832 — 
Trade names / trademarks26,134 — 
Total indefinite-lived intangible assets
107,966 — 
Total
$1,085,757 $442,391 
(a)Includes certain transportation certifications, a class 1B nuclear license and other intangibles related to obtaining such licensure. These assets are considered indefinite-lived as the decision for renewal by the Canadian Nuclear Safety Commission is highly based on a licensee’s previous assessments, reported incidents, and annual compliance and inspection results. New applications for license can take a significant amount of time and cost; whereas an existing licensee with a historical record of compliance and current operating conditions more than likely ensures renewal for another 10 years license period as Nordion has demonstrated over its 75 years of history.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The estimated aggregate amortization expense for finite-lived intangible assets for each of the next five years and thereafter is as follows:
(thousands of U.S. dollars)
2022$81,955 
202381,536 
202480,759 
202543,070 
202622,973 
Thereafter180,608 
Total$490,901