Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments And Contingencies [Abstract]

Future Minimum Rental Commitments for All Long-Term Noncancelable Operating Leases

($ in thousands)	Operating Leases
Year ending December 31:
2015	$	59,833
2016		11,716
2017		5,951
2018		3,725
2019		4,803
Thereafter		46,052
Total minimum lease payments	$	132,080

Future Payments for Obligations under Noncancelable Long Distance Contracts and Service Agreements

($ in thousands)	Amount
Year ending December 31:
2015	$	28,401
2016		17,011
2017		16,906
2018		30
2019		-
Thereafter		-
Total	$	62,348

Outstanding Performance Letters of Credit

($ in thousands)	Amount
CNA Financial Corporation (CNA)	$	45,659
All other		1,186
Total	$	46,845