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Commitments, Contingent Liabilities and Other Matters (Tables)
12 Months Ended
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of future minimum rental payments under operating leases with remaining non-cancelable terms in excess of one year
The future minimum rental payments under operating leases with remaining non-cancelable terms in excess of one year are:
Year Ending December 31,
2018
$
8.3

2019
7.9

2020
6.5

2021
4.6

2022
4.4

Thereafter
6.6

Total minimum payments
$
38.3