Income Taxes Effective Tax Rate Reconciliation (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory income tax rate	19.30%	34.40%	19.30%	34.40%
Foreign earnings subject to different tax rates	7.40%	(41.20%)	8.30%	(23.40%)
Branch profits tax	(4.70%)		(3.00%)
Deemed dividends	1.20%		2.30%
State, local and provincial tax	4.70%	9.20%	7.10%	5.20%
Return to provision	(1.50%)	2.40%	0.00%	(2.00%)
Valuation allowance	9.20%	6.10%	14.70%	9.60%
Other	(0.50%)	(6.00%)	0.20%	(5.20%)
Effective tax rate	35.10%	4.90%	48.90%	18.60%