Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate	35.00%
Unrecognized tax benefits, interest on income taxes expense (less than $1 for December 31, 2016, 2015, and 2014 respectively)	$ 1,000,000	$ 1,000,000	$ 1,000,000
Income before income taxes, foreign	29,000,000	70,000,000	$ 168,000,000
Undistributed earnings of foreign subsidiaries amount	382,000,000
Operating loss carryforwards, benefit	155,000,000
State Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards, state and local	527,000,000
Valuation allowance, amount	9,000,000	$ 12,000,000
Federal Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, operating loss carryforwards, state and local	$ 0