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Revenues | 3 Months Ended
--- | ---
Mar. 31, 2019
Revenue From Contract With Customer [Abstract] |
Revenues | 2. Revenues The Company records deferred revenues when cash payments are received or due in advance of our performance, including amounts which are refundable. The table below shows the change in the customer advances balance for the three months ended March 31, 2019 and 2018.
|  | Three Months Ended March 31, |
|  | 2019 |  |  | 2018 |
Balance at beginning of period |  | $ | 9.6 |  |  | $ | 12.7 |
Cash received in advance of satisfying performance obligation |  |  | 31.9 |  |  |  | 26.3 |
Revenue recognized |  |  | (28.3 | ) |  |  | (24.8 | )
Currency translation |  |  | 0.1 |  |  |  | 0.2 |
Balance at end of period |  | $ | 13.3 |  |  | $ | 14.4 |
Disaggregation of the Company’s revenue sources are disclosed in Note 14, “Segments.”

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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