Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of Goodwill Impairment Test

The following table reflects certain key estimates and assumptions used in our 2015 impairment testing of the North America reporting unit, which represents 93% of our goodwill balance:

Market approach assumptions
Trailing-twelve months' earnings multiple	11.1x
Forward earnings multiple	12.7x
Weighting applied	25%
Income approach assumptions
Cost of equity	11.2%
Targeted equity-to-earning assets ratio	8.6% declining to 7.5%
Weighting applied	75%