Other Intangibles (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended				3 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Sep. 30, 2014 Weighted Average	Sep. 30, 2014 Customer Lists IPG	Sep. 30, 2014 Non-compete Agreements IPG
Finite-Lived Intangible Assets [Line Items]
Write-down of intangible assets	$ 8,253				$ 8,103	$ 150
Amortization expense	$ 14,630
Finite-Lived intangible assets, useful life		1 year	10 years	6 years