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Overview And Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2023
Accounting Policies [Abstract] |
Schedule of Error Corrections and Prior Period Adjustments | The effect of the changes on the Condensed Consolidated Statements of Income for the second quarter and first two quarters of 2022 were as follows:
| Second Quarter of 2022 |  | First Two Quarters of 2022
(In millions) |  |  |  |  |  |  |  |  |  |  |
| As Previously Reported |  | Effect of Change in Presentation |  | As Reported Herein |  | As Previously Reported |  | Effect of Change in Presentation |  | As Reported Herein
Revenue: |  |  |  |  |  |  |  |  |  |  |
Product | $ | 564.5 |  |  | $ | (33.5) |  |  | $ | 531.0 |  |  | $ | 1,186.1 |  |  | $ | (88.3) |  |  | $ | 1,097.8 |
Subscription and services | — |  |  | 410.2 |  |  | 410.2 |  |  | — |  |  | 837.1 |  |  | 837.1 |
Service | 158.0 |  |  | (158.0) |  |  | — |  |  | 319.1 |  |  | (319.1) |  |  | — |
Subscription | 218.7 |  |  | (218.7) |  |  | — |  |  | 429.7 |  |  | (429.7) |  |  | — |
Total revenue | $ | 941.2 |  |  | $ | — |  |  | $ | 941.2 |  |  | $ | 1,934.9 |  |  | $ | — |  |  | $ | 1,934.9 |
Cost of sales: |  |  |  |  |  |  |  |  |  |  |
Product | $ | 269.9 |  |  | $ | (1.1) |  |  | $ | 268.8 |  |  | $ | 578.3 |  |  | $ | (2.6) |  |  | $ | 575.7 |
Subscription and services | — |  |  | 113.9 |  |  | 113.9 |  |  | — |  |  | 228.6 |  |  | 228.6 |
Service | 63.4 |  |  | (63.4) |  |  | — |  |  | 126.7 |  |  | (126.7) |  |  | — |
Subscription | 49.4 |  |  | (49.4) |  |  | — |  |  | 99.3 |  |  | (99.3) |  |  | — |
Amortization of purchased intangible assets | 21.0 |  |  | — |  |  | 21.0 |  |  | 43.5 |  |  | — |  |  | 43.5 |
Total cost of sales | $ | 403.7 |  |  | $ | — |  |  | $ | 403.7 |  |  | $ | 847.8 |  |  | $ | — |  |  | $ | 847.8 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-7 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 + Details
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