Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Schedule of Goodwill Impairment Test

The following table reflects certain key estimates and assumptions used in our 2014 impairment testing of the North America reporting unit, which represents 89% of our goodwill balance:

Market approach assumptions:
Trailing-twelve months' earnings multiple	9.4x
Forward earnings multiple	8.9x
Weighting applied	25%
Income approach assumptions:
Cost of equity	9.2%
Targeted equity-to-earning assets ratio	10.5% declining to 7.5%
Weighting applied	75%