Leases (Tables)

12 Months Ended

Dec. 31, 2014

Leases [Abstract]

Future Minimum Lease Payments For Operating Leases And Capital Leases

(Dollars in thousands)	Capital Leases			Operating Leases
Year ending December 31:
2015	$	15,223		$	93,412
2016	3,597			70,491
2017	3,597			49,112
2018	3,597			34,148
2019	312			24,518
Thereafter (through 2026)	—			64,743
Total minimum lease payments	$	26,326		$	336,424
Amount representing interest	(1,076		)
Present value of minimum lease payments	25,250
Current maturities of obligations under capital leases	14,663
Long-term obligations under capital leases	$	10,587

Rental Expense For Operating Leases

	Years ended December 31,
(Dollars in thousands)	2014			2013			2012
Minimum rentals	$	139,491		$	129,902		$	118,797
Sublease rentals	(63		)	(577		)	(2,843		)
Rental expense	$	139,428		$	129,325		$	115,954