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Business Combinations - Summary of Estimated Fair Values of Net Assets Acquired (Detail) $ in Millions | Dec. 31, 2023 USD ($)
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Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | $ 146.0
Fiduciary assets | 190.4
Other current assets | 177.2
Fixed assets | 112.1
Noncurrent assets | 85.6
Goodwill | 1,789.2
Expiration lists | 1,721.0
Non-compete agreements | 30.5
Trade names | 64.3
Total assets acquired | 4,316.3
Fiduciary liabilities | 190.4
Current liabilities | 149.8
Noncurrent liabilities | 233.5
Total liabilities assumed | 573.7
Total net assets acquired | 3,742.6
FIR [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 13.0
Fiduciary assets | 13.8
Other current assets | 1.4
Fixed assets | 0.8
Noncurrent assets | 8.6
Goodwill | 63.8
Expiration lists | 25.9
Non-compete agreements | 0.1
Trade names | 0.4
Total assets acquired | 127.8
Fiduciary liabilities | 13.8
Current liabilities | 3.9
Noncurrent liabilities | 12.3
Total liabilities assumed | 30.0
Total net assets acquired | 97.8
BCHR [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 25.8
Other current assets | 60.9
Fixed assets | 36.8
Noncurrent assets | 35.0
Goodwill | 366.8
Expiration lists | 207.6
Trade names | 2.6
Total assets acquired | 735.5
Current liabilities | 50.4
Noncurrent liabilities | 64.3
Total liabilities assumed | 114.7
Total net assets acquired | 620.8
BFH [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 0.6
Fiduciary assets | 3.7
Other current assets | 1.4
Noncurrent assets | 0.2
Goodwill | 50.6
Expiration lists | 22.7
Non-compete agreements | 0.6
Total assets acquired | 79.8
Fiduciary liabilities | 3.7
Current liabilities | 0.6
Noncurrent liabilities | 6.2
Total liabilities assumed | 10.5
Total net assets acquired | 69.3
TRH [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 5.3
Other current assets | 8.3
Noncurrent assets | 0.2
Goodwill | 61.9
Expiration lists | 7.5
Trade names | 0.4
Total assets acquired | 83.6
Current liabilities | 2.6
Noncurrent liabilities | 2.0
Total liabilities assumed | 4.6
Total net assets acquired | 79.0
IKB [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 2.0
Fiduciary assets | 0.5
Other current assets | 2.6
Fixed assets | 0.2
Noncurrent assets | 0.5
Goodwill | 49.8
Expiration lists | 22.3
Non-compete agreements | 0.5
Total assets acquired | 78.4
Fiduciary liabilities | 0.5
Current liabilities | 1.7
Noncurrent liabilities | 6.3
Total liabilities assumed | 8.5
Total net assets acquired | 69.9
RHP [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Fiduciary assets | 3.0
Other current assets | 1.5
Noncurrent assets | 0.3
Goodwill | 43.7
Expiration lists | 43.5
Trade names | 0.2
Total assets acquired | 92.2
Fiduciary liabilities | 3.0
Current liabilities | 1.3
Noncurrent liabilities | 11.5
Total liabilities assumed | 15.8
Total net assets acquired | 76.4
CLM [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Fiduciary assets | 15.8
Other current assets | 3.3
Fixed assets | 1.5
Noncurrent assets | 4.0
Goodwill | 59.9
Expiration lists | 34.5
Non-compete agreements | 0.6
Total assets acquired | 119.6
Fiduciary liabilities | 15.8
Current liabilities | 3.8
Noncurrent liabilities | 15.7
Total liabilities assumed | 35.3
Total net assets acquired | 84.3
EIG [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 0.5
Fiduciary assets | 22.9
Other current assets | 20.4
Fixed assets | 0.1
Noncurrent assets | 1.5
Goodwill | 191.1
Expiration lists | 322.0
Non-compete agreements | 1.0
Total assets acquired | 559.5
Fiduciary liabilities | 22.9
Current liabilities | 20.4
Noncurrent liabilities | 1.1
Total liabilities assumed | 44.4
Total net assets acquired | 515.1
CDI [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 58.7
Fiduciary assets | 42.3
Other current assets | 40.7
Fixed assets | 12.3
Noncurrent assets | 16.0
Goodwill | 314.7
Expiration lists | 499.5
Non-compete agreements | 1.6
Total assets acquired | 985.8
Fiduciary liabilities | 42.3
Current liabilities | 38.6
Noncurrent liabilities | 18.9
Total liabilities assumed | 99.8
Total net assets acquired | 886.0
MPM [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 5.0
Other current assets | 5.5
Fixed assets | 59.6
Noncurrent assets | 4.8
Goodwill | 121.8
Expiration lists | 88.0
Non-compete agreements | 14.7
Trade names | 58.7
Total assets acquired | 358.1
Current liabilities | 4.8
Noncurrent liabilities | 51.7
Total liabilities assumed | 56.5
Total net assets acquired | 301.6
Forty-one Other Acquisitions [Member] |
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items] |
Cash and cash equivalents | 35.1
Fiduciary assets | 88.4
Other current assets | 31.2
Fixed assets | 0.8
Noncurrent assets | 14.5
Goodwill | 465.1
Expiration lists | 447.5
Non-compete agreements | 11.4
Trade names | 2.0
Total assets acquired | 1,096.0
Fiduciary liabilities | 88.4
Current liabilities | 21.7
Noncurrent liabilities | 43.5
Total liabilities assumed | 153.6
Total net assets acquired | $ 942.4

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