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Business Combinations and Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions |  |  |  |  | 1 Months Ended | 2 Months Ended | 4 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2021 | Oct. 20, 2021 | Dec. 18, 2020 | Sep. 01, 2020 | Feb. 28, 2021 | Dec. 31, 2021 | Oct. 19, 2021 | Dec. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 0.0 |  |  |  | $ 1,662.6 | $ 677.4 | $ 1,662.6 | $ 681.5 | $ 522.6 | $ 511.6
GAAP purchase consideration, net of cash acquired |  |  |  |  |  | $ 58.6 | $ 0.9 |  | $ 290.1 | $ 55.7 | $ 9.1
Payments to acquire businesses gross |  | $ 1,300.0 |  |  |  |  |  |  |  |  |
Interest Rate Swap Cap Agreement |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other long-term liabilities | $ (10.0) |  |  |  |  |  |  |  |  |  |
Customer relationships | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 6 years | 10 years | 10 years |  |  |  | 6 years | 6 years | 6 years |
Customer relationships | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 13 years | 11 years | 11 years |  |  |  | 13 years | 17 years | 15 years |
Developed technology | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 5 years | 7 years | 7 years |  |  |  | 5 years |  | 3 years |
Developed technology | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 16 years | 10 years | 10 years |  |  |  | 16 years |  | 16 years |
Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 10 years | 7 years | 7 years |  |  |  |  |  |  |
Trade names | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  |  |  |  |  |  |  | 3 years | 5 years | 5 years |
Trade names | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  |  |  |  |  |  |  | 10 years | 9 years | 9 years |
Distributor relationships | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 7 years |  |  |  |  |  | 7 years | 3 years |  |
Distributor relationships | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 13 years |  |  |  |  |  | 13 years | 16 years |  |
Backlog and other | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 1 year |  |  |  |  |  | 1 year | 1 year | 1 year |
Backlog and other | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 4 years |  |  |  |  |  | 4 years | 9 years | 9 years |
Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  | 1 year |  |  |  |  |  |  |  |  |
Noncompete Agreements | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  |  | 2 years | 2 years |  |  |  |  |  |  |
Noncompete Agreements | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years |  |  | 3 years | 3 years |  |  |  |  |  |  |
Mirion TopCo |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Date of acquisition |  | Oct. 20, 2021 |  |  |  |  |  |  |  |  |
Segment |  | Total |  |  |  |  |  |  |  |  |
Goodwill |  | $ 1,639.0 |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 821.0 |  |  |  |  |  |  |  |  |
Cash |  | 101.9 |  |  |  |  |  |  |  |  |
Accounts receivable |  | 114.3 |  |  |  |  |  |  |  |  |
Cost in excess of billings |  | 63.6 |  |  |  |  |  |  |  |  |
Inventory |  | 144.6 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment |  | 126.4 |  |  |  |  |  |  |  |  |
Other current and non-current assets |  | 24.3 |  |  |  |  |  |  |  |  |
Right of use assets |  | 43.3 |  |  |  |  |  |  |  |  |
Other non-current assets |  | 17.0 |  |  |  |  |  |  |  |  |
Current liabilities |  | (148.3) |  |  |  |  |  |  |  |  |
Current lease liability |  | (8.8) |  |  |  |  |  |  |  |  |
Deferred contract revenue |  | (58.9) |  |  |  |  |  |  |  |  |
Notes payable assumed |  | (2.9) |  |  |  |  |  |  |  |  |
Other long-term liabilities |  | (242.1) |  |  |  |  |  |  |  |  |
Minority interest |  | (2.1) |  |  |  |  |  |  |  |  |
Net tangible assets acquired |  | 172.3 |  |  |  |  |  |  |  |  |
Purchase consideration |  | (2,632.3) |  |  |  |  |  |  |  |  |
Less: cash acquired |  | (101.9) |  |  |  |  |  |  |  |  |
GAAP purchase consideration, net of cash acquired |  | 2,530.4 |  |  |  |  |  |  |  |  |
Mirion TopCo | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 338.8 |  |  |  |  |  |  |  |  |
Mirion TopCo | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 234.6 |  |  |  |  |  |  |  |  |
Mirion TopCo | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 100.5 |  |  |  |  |  |  |  |  |
Mirion TopCo | Distributor relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 61.1 |  |  |  |  |  |  |  |  |
Mirion TopCo | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 81.5 |  |  |  |  |  |  |  |  |
Mirion TopCo | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | $ 4.5 |  |  |  |  |  |  |  |  |
CIRS | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years | 7 years |  |  |  |  |  |  |  |  |  |
CIRS | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years | 5 years |  |  |  |  |  |  |  |  |  |
CIRS | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years | 3 years |  |  |  |  |  |  |  |  |  |
CIRS | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Original Average Life in Years | 2 years |  |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment |  | Medical |  |  |  |  |  |  |  |  |
Goodwill |  | $ 675.2 |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 330.5 |  |  |  |  |  |  |  |  |
Cash |  | 7.8 |  |  |  |  |  |  |  |  |
Accounts receivable |  | 44.0 |  |  |  |  |  |  |  |  |
Cost in excess of billings |  | 0.0 |  |  |  |  |  |  |  |  |
Inventory |  | 25.1 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment |  | 52.6 |  |  |  |  |  |  |  |  |
Other current and non-current assets |  | 5.8 |  |  |  |  |  |  |  |  |
Right of use assets |  | 22.3 |  |  |  |  |  |  |  |  |
Other non-current assets |  | 8.0 |  |  |  |  |  |  |  |  |
Current liabilities |  | (31.9) |  |  |  |  |  |  |  |  |
Current lease liability |  | (4.1) |  |  |  |  |  |  |  |  |
Deferred contract revenue |  | (34.7) |  |  |  |  |  |  |  |  |
Notes payable assumed |  | (1.8) |  |  |  |  |  |  |  |  |
Other long-term liabilities |  | (70.6) |  |  |  |  |  |  |  |  |
Minority interest |  | 0.0 |  |  |  |  |  |  |  |  |
Net tangible assets acquired |  | 22.5 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 152.7 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 66.3 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 36.8 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Distributor relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 52.5 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 17.7 |  |  |  |  |  |  |  |  |
Medical | Mirion TopCo | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | $ 4.5 |  |  |  |  |  |  |  |  |
Medical | CIRS |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Date of acquisition | Dec. 01, 2021 |  |  |  |  |  |  |  |  |  |
Segment | Medical |  |  |  |  |  |  |  |  |  |
Goodwill | $ 35.0 |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets | 21.8 |  |  |  |  |  |  |  |  |  |
Cash | 1.0 |  |  |  |  |  |  |  |  |  |
Accounts receivable | 1.6 |  |  |  |  |  |  |  |  |  |
Inventory | 2.0 |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment | 0.4 |  |  |  |  |  |  |  |  |  |
Operating ROU assets | 3.8 |  |  |  |  |  |  |  |  |  |
Current lease liability | (0.5) |  |  |  |  |  |  |  |  |  |
Net tangible assets acquired | (1.7) |  |  |  |  |  |  |  |  |  |
Purchase consideration | 55.1 |  |  |  |  |  |  |  |  |  |
Less: cash acquired | (1.0) |  |  |  |  |  |  |  |  |  |
GAAP purchase consideration, net of cash acquired | 54.1 |  |  |  |  |  |  |  |  |  |
Acquiree revenue post acquisition through the period ended | 1.5 |  |  |  |  |  |  |  |  |  |
Acquiree income (loss) from operations post acquisition through the period ended | (0.1) |  |  |  |  |  |  |  |  |  |
Medical | CIRS | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets | 1.6 |  |  |  |  |  |  |  |  |  |
Medical | CIRS | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets | 19.2 |  |  |  |  |  |  |  |  |  |
Medical | CIRS | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets | 0.4 |  |  |  |  |  |  |  |  |  |
Medical | CIRS | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets | $ 0.6 |  |  |  |  |  |  |  |  |  |
Medical | Biodex |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Date of acquisition |  |  |  |  |  |  |  |  | Sep. 01, 2020 |  |
Segment |  |  |  |  |  |  |  |  | Medical |  |
Goodwill |  |  |  |  |  |  |  |  | $ 11.1 |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 6.6 |  |
Cash |  |  |  |  |  |  |  |  | 4.1 |  |
Accounts receivable |  |  |  |  |  |  |  |  | 4.0 |  |
Inventory |  |  |  |  |  |  |  |  | 6.4 |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |  | 1.0 |  |
Other current and non-current assets |  |  |  |  |  |  |  |  | 0.6 |  |
Current liabilities |  |  |  |  |  |  |  |  | (2.6) |  |
Deferred contract revenue |  |  |  |  |  |  |  |  | (0.2) |  |
Other long-term liabilities |  |  |  |  |  |  |  |  | 0.0 |  |
Net tangible assets acquired |  |  |  |  |  |  |  |  | 13.3 |  |
Purchase consideration |  |  |  |  |  |  |  |  | 31.0 |  |
Less: cash acquired |  |  |  |  |  |  |  |  | (4.1) |  |
GAAP purchase consideration, net of cash acquired |  |  |  |  |  |  |  |  | 26.9 |  |
Acquiree revenue post acquisition through the period ended |  |  |  |  |  |  |  |  | 32.6 |  |
Acquiree income (loss) from operations post acquisition through the period ended |  |  |  |  |  |  |  |  | 0.7 |  |
Medical | Biodex | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 2.3 |  |
Medical | Biodex | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 2.6 |  |
Medical | Biodex | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 1.4 |  |
Medical | Biodex | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | $ 0.3 |  |
Medical | SNC |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Date of acquisition |  |  |  |  |  |  |  |  | Dec. 18, 2020 |  |
Segment |  |  |  |  |  |  |  |  | Medical |  |
Goodwill |  |  |  |  |  |  |  |  | $ 130.2 |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 125.5 |  |
Cash |  |  |  |  |  |  |  |  | 18.8 |  |
Accounts receivable |  |  |  |  |  |  |  |  | 24.0 |  |
Inventory |  |  |  |  |  |  |  |  | 13.9 |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |  | 5.9 |  |
Other current and non-current assets |  |  |  |  |  |  |  |  | 8.0 |  |
Current liabilities |  |  |  |  |  |  |  |  | (9.3) |  |
Deferred contract revenue |  |  |  |  |  |  |  |  | (6.5) |  |
Other long-term liabilities |  |  |  |  |  |  |  |  | (33.6) |  |
Net tangible assets acquired |  |  |  |  |  |  |  |  | 21.2 |  |
Purchase consideration |  |  |  |  |  |  |  |  | 276.9 |  |
Less: cash acquired |  |  |  |  |  |  |  |  | (18.8) |  |
GAAP purchase consideration, net of cash acquired |  |  |  |  |  |  |  |  | 258.1 |  |
Acquiree revenue post acquisition through the period ended |  |  |  |  |  |  |  |  | 48.9 |  |
Acquiree income (loss) from operations post acquisition through the period ended |  |  |  |  |  |  |  |  | (5.5) |  |
Payments to acquire businesses gross |  |  |  |  | $ 261.9 |  |  |  |  |  |
Business combination, deferred consideration |  |  |  |  | $ 15.0 |  |  |  |  |  |
Medical | SNC | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 59.5 |  |
Medical | SNC | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 46.5 |  |
Medical | SNC | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | 12.0 |  |
Medical | SNC | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  |  |  |  |  |  |  |  | $ 7.5 |  |
Industrial | Mirion TopCo |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment |  | Industrial |  |  |  |  |  |  |  |  |
Goodwill |  | $ 963.8 |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 490.5 |  |  |  |  |  |  |  |  |
Cash |  | 39.5 |  |  |  |  |  |  |  |  |
Accounts receivable |  | 70.3 |  |  |  |  |  |  |  |  |
Cost in excess of billings |  | 63.6 |  |  |  |  |  |  |  |  |
Inventory |  | 119.5 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment |  | 72.7 |  |  |  |  |  |  |  |  |
Other current and non-current assets |  | 13.2 |  |  |  |  |  |  |  |  |
Right of use assets |  | 20.1 |  |  |  |  |  |  |  |  |
Other non-current assets |  | 9.0 |  |  |  |  |  |  |  |  |
Current liabilities |  | (82.7) |  |  |  |  |  |  |  |  |
Current lease liability |  | (4.4) |  |  |  |  |  |  |  |  |
Deferred contract revenue |  | (24.2) |  |  |  |  |  |  |  |  |
Notes payable assumed |  | (1.1) |  |  |  |  |  |  |  |  |
Other long-term liabilities |  | (147.7) |  |  |  |  |  |  |  |  |
Minority interest |  | (2.0) |  |  |  |  |  |  |  |  |
Net tangible assets acquired |  | 145.8 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 186.1 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 168.3 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 63.7 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Distributor relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 8.6 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 63.8 |  |  |  |  |  |  |  |  |
Industrial | Mirion TopCo | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | $ 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Segment |  | Corporate |  |  |  |  |  |  |  |  |
Goodwill |  | $ 0.0 |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Cash |  | 54.6 |  |  |  |  |  |  |  |  |
Accounts receivable |  | 0.0 |  |  |  |  |  |  |  |  |
Cost in excess of billings |  | 0.0 |  |  |  |  |  |  |  |  |
Inventory |  | 0.0 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment |  | 1.1 |  |  |  |  |  |  |  |  |
Other current and non-current assets |  | 5.3 |  |  |  |  |  |  |  |  |
Right of use assets |  | 0.9 |  |  |  |  |  |  |  |  |
Other non-current assets |  | 0.0 |  |  |  |  |  |  |  |  |
Current liabilities |  | (33.7) |  |  |  |  |  |  |  |  |
Current lease liability |  | (0.3) |  |  |  |  |  |  |  |  |
Deferred contract revenue |  | 0.0 |  |  |  |  |  |  |  |  |
Notes payable assumed |  | 0.0 |  |  |  |  |  |  |  |  |
Other long-term liabilities |  | (23.8) |  |  |  |  |  |  |  |  |
Minority interest |  | (0.1) |  |  |  |  |  |  |  |  |
Net tangible assets acquired |  | 4.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Customer relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Developed technology |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Trade names |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Distributor relationships |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Backlog and other |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | 0.0 |  |  |  |  |  |  |  |  |
Corporate and other | Mirion TopCo | Noncompete Agreements |  |  |  |  |  |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortizable intangible assets |  | $ 0.0 |  |  |  |  |  |  |  |  |

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