Long-Term Obligations (Details 1) (USD $)	3 Months Ended	9 Months Ended		0 Months Ended								9 Months Ended		21 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Dec. 31, 2013	Aug. 27, 2014 New Senior Credit Facility [Member]	Aug. 27, 2014 New Senior Credit Facility [Member]	Aug. 27, 2014 Line of credit [Member] New Senior Credit Facility [Member] Secured debt [Member]	Aug. 27, 2014 Line of credit [Member] New Senior Credit Facility [Member] Revolving line of credit [Member]	Aug. 27, 2014 Line of credit [Member] New Senior Credit Facility [Member] Swing line [Member]	Aug. 27, 2014 Line of credit [Member] Senior Credit Facility [Member] Revolving line of credit [Member]	Aug. 27, 2014 Senior notes [Member] New Senior Credit Facility [Member]	Aug. 27, 2014 Senior notes [Member] Senior Credit Facility [Member]	Jun. 30, 2019 Senior notes [Member] Forecast	Jun. 30, 2018 Senior notes [Member] Forecast	Jun. 30, 2017 Senior notes [Member] Forecast
Line of Credit Facility [Line Items]
Maximum borrowing capacity under credit agreement						$ 1,400,000,000.0	$ 800,000,000	$ 25,000,000	$ 125,000,000	$ 600,000,000	$ 534,000,000
Financing costs incurred	0	7,987,000		8,000,000
Deferred financing costs capitalized	8,308,000	8,308,000	2,987,000		6,500,000
Debt related expense recognized as income from continuing operations				1,500,000
Write-off of previously capitalized deferred financing costs				200,000
Principal payment (quarterly)												$ 15,000,000	$ 11,300,000	$ 7,500,000
Voting equity guarantee on indebtedness, percentage		65.00%
Non-voting equity guarantee on indebtedness, percentage		100.00%