Income Taxes Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal statutory income tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	2.00%	2.10%	1.80%
Foreign income taxes	(2.10%)	(3.60%)	(3.40%)
Other, net	(2.30%)	(3.10%)	(1.80%)
CONSOLIDATED EFFECTIVE INCOME TAX RATE	32.60%	30.40%	31.60%