Commitments And Contingencies (Schedule Of Future Minimum Operating Lease Payments, Net Of Sublease Income) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Gross Lease Payments
Gross Lease Payments, 2015	$ 22,368
Gross Lease Payments, 2016	20,188
Gross Lease Payments, 2017	18,444
Gross Lease Payments, 2018	16,614
Gross Lease Payments, 2019	12,818
Gross Lease Payments, Thereafter	32,334
Gross Lease Payments, Total	122,766
Sublease Income
Sublease Income, 2015	4,032
Sublease Income, 2016	3,992
Sublease Income, 2017	4,102
Sublease Income, 2018	2,770
Sublease Income, 2019	0
Sublease Income, Thereafter	0
Sublease Income, Total	14,896
Net Lease Payments
Net Lease Payments, 2015	18,336
Net Lease Payments, 2016	16,196
Net Lease Payments, 2017	14,342
Net Lease Payments, 2018	13,844
Net Lease Payments, 2019	12,818
Net Lease Payments, Thereafter	32,334
Net Lease Payments, Total	$ 107,870