Other Assets

Other assets consisted of the following:



	As of December 31,
	2014		2013
Deferred financing costs	$	219.9	$	92.5
Deferred tax asset, long-term portion	18.6		24.5
Other assets	20.8		11.4
	$	259.3	$	128.4

Deferred financing costs arise in connection with our long-term financing and are amortized over the life of the financing agreements. We capitalized $150.0 million, $92.1 million and $6.3 million of deferred financing costs during 2014, 2013 and 2012, respectively, in connection with financing transactions. Amortization of deferred financing costs amounted to $17.4 million, $7.8 million and $7.1 million for the years ended December 31, 2014, 2013 and 2012, respectively and is included in interest expense in our Consolidated Statement of Operations and Comprehensive Loss. During 2014, we wrote off $5.4 million of unamortized deferred financing fees related to the purchase and redemption of our 2019 Notes. See Note 15 (Long-Term and Other Debt). During 2013, we wrote off $5.9 million of unamortized deferred financing fees related to our prior credit agreement. See Note 15 (Long-Term and Other Debt). During 2012, we wrote off $7.6 million of unamortized deferred financing fees related to the redemption of our 2016 Notes. All of these losses are recorded in loss on debt extinguishment in our Consolidated Statement of Operations and Comprehensive Loss.