(i) During 2016, the Company recognized a $62.8 million benefit related to a credit available for the excise tax included in the price of fuel that is purchased and consumed in locomotives and certain work equipment in Mexico. During the nine months ended September 30, 2017 and 2016, the Company recognized a benefit of $35.6 million and $49.6 million, respectively. (ii) During 2015, 2014, 2013 and 2012, the Company recognized pre-tax debt retirement and exchange costs of $7.6 million, $6.6 million, $119.2 million and $20.1 million, respectively, related to debt restructuring activities that occurred during the periods. (iii) During 2015 and 2014, the Company recognized pre-tax lease termination costs of $9.6 million and $38.3 million, respectively, due to the early termination of certain operating leases and the related purchase of equipment. (iv) During 2012, the Company recognized a pre-tax gain of $43.0 million within operating expenses for the elimination of deferred statutory profit sharing liability, net as a result of the organizational restructuring during the period. |