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v3.21.1

Revenue and Contracts with Customers (Contract with Customer Asset and Liability) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Deferred costs associated with deferred revenue | $ 136.0 |  | $ 151.9
Provision for Loss on Contract Change | (1.3) |  |
Provision for Loss on Contract Noncurrent Change | (0.7) |  |
Loss on contracts |  | $ 3.5 |
Deferred revenue | 253.5 |  | 281.7
Deferred revenue – change | (28.2) |  |
Advances from customers, current | 2.0 |  | 1.5
Customer advances – change | 0.5 |  |
Advances from customer, noncurrent | 44.4 |  | 45.2
Advances from customers, noncurrent - change | (0.8) |  |
Deferred revenue, revenue recognized | (28.5) | 0.0 |
Provision for Loss on Contracts Total | 5.7 |  |
Provision for Loss on Contracts Utilized | 2.0 | $ 3.0 |
Government [Member] |  |  |
Provision for Loss on Contracts | 5.7 |  | 7.0
Provision for loss on contracts, noncurrent | $ 0.0 |  | $ 0.7

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 + Details
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