Guarantees	9 Months Ended
Sep. 30, 2017
Guarantees [Abstract]
Guarantees	15. Guarantees The Company periodically enters into transactions with customers that provide for residual value guarantees and buyback commitments. These initial transactions are recorded as deferred revenue and are amortized to income on a straight-line basis over a period equal to that of the customer’s third-party financing agreement. The deferred revenue included in other current and non-current liabilities as of September 30, 2017 and December 31, 2016 was $29.3 million and $30.4 million, respectively. The total amount of residual value guarantees and buyback commitments given by the Company and outstanding as of September 30, 2017 and December 31, 2016 was $28.4 million and $32.8 million, respectively. These amounts are not reduced for amounts the Company would recover from the repossession and subsequent resale of the units. The residual value guarantees and buyback commitments expire at various times through 2021.

Guarantees

9 Months Ended

Sep. 30, 2017

15. Guarantees

The Company periodically enters into transactions with customers that provide for residual value guarantees and buyback commitments. These initial transactions are recorded as deferred revenue and are amortized to income on a straight-line basis over a period equal to that of the customer’s third-party financing agreement. The deferred revenue included in other current and non-current liabilities as of September 30, 2017 and December 31, 2016 was $29.3 million and $30.4 million, respectively. The total amount of residual value guarantees and buyback commitments given by the Company and outstanding as of September 30, 2017 and December 31, 2016 was $28.4 million and $32.8 million, respectively. These amounts are not reduced for amounts the Company would recover from the repossession and subsequent resale of the units. The residual value guarantees and buyback commitments expire at various times through 2021.