Income Taxes Reconciliation of the income tax provisions based on the U.S. statutory corporate tax rate to the provisions reflected in the Consolidated Financial Statements (Details)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Reconciliation of the income tax provisions based on the statutory corporate tax rate to the provisions reflected in the Consolidated Financial Statements
Statutory tax rate	23.00%		24.00%		35.00%
U.S. state income taxes, net of U.S. federal benefit	2.60%		2.20%		2.30%
Taxes on international operations	(4.40%)	[1]	0.60%	[1]	(11.50%)	[1]
Nondeductible expenses	1.40%		2.00%		3.50%
Adjustments to prior year tax requirements	(1.60%)		0.40%		(1.10%)
Deferred tax adjustments, including statutory rate changes	1.40%		0.70%		0.90%
Deferred tax adjustments, international earnings	3.30%		0.00%		0.00%
Adjustments to valuation allowances	(1.70%)		(5.60%)		(1.70%)
Other — net	1.40%		1.80%		(0.10%)
Effective tax rate	25.40%		26.10%		27.30%

[1] The Company determines the adjustment for taxes on international operations based on the difference between the statutory tax rate applicable to earnings in each foreign jurisdiction and the enacted rate of 23%, 24% and 35% at December 31, 2013, 2012 and 2011, respectively.