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Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Dec. 31, 2017
Commitments and Contingencies [Abstract]
Commitments and Contingencies	15. Commitments and Contingencies Leases The Company leases certain facilities and equipment under operating lease arrangements. Aggregate minimum rental commitments at December 31, 2017, for all non-cancelable operating leases with an initial lease term greater than one year for the years ending December 31 are as follows: 2018, $10.2 million; 2019, $8.0 million; 2020, $5.5 million; 2021, $3.6 million; 2022, $2.9 million; and $5.2 million thereafter. Rent expense from continuing operations totaled $12.1 million, $12.4 million, and $12.3 million during the years ended December 31, 2017, 2016, and 2015, respectively. Other Claims The Company is subject to various claims and litigation arising in the normal course of business. The Company establishes reserves for claims and proceedings when it is probable that liabilities exist and reasonable estimates of loss can be made. While it is not possible to predict the outcome of these matters, based on our assessment of the facts and circumstances now known, we do not believe that these matters, individually or in the aggregate, will have a material adverse effect on our financial position. However, actual outcomes may be different from those expected and could have a material effect on our results of operations or cash flows in a particular period.