Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Income Tax Contingency [Line Items]
Valuation allowance	$ 1,600,000			$ 1,600,000		$ 1,800,000
Income tax expense at statutory rate	35.00%		35.00%	35.00%	35.00%
Effective income tax rate on continuing operations	33.40%		37.60%	15.20%	38.30%
Discrete tax impact	$ 1,000,000			$ 3,400,000
Effective income tax rate on continuing operations excluding the discrete tax impact of certain items	29.30%			29.90%
Accrued expenses and other liabilities [Member]
Income Tax Contingency [Line Items]
Uncertain tax positions	$ 0			$ 0		$ 2,900,000
Gores Termination Fee [Member]
Income Tax Contingency [Line Items]
Current income tax expense (benefit)		$ 3,000,000
Increase (decrease) in state operating loss carryforwards		200,000
Increase (decrease) in valuation allowance from continuing operations		100,000
Increase (decrease) in uncertain tax positions (resulting from current period tax positions)		$ 2,900,000