Long-Term Debt and Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Long-Term Debt and Short-Term Borrowings

Total long-term debt and short-term borrowings consist of the following (dollars in thousands):

	December 31,
		2017			2016
Long-Term Debt:
Senior term loans, with interest ranging from    1.77% to 2.51%, due through 2022	$	200,000		$	751,875
5.00% senior notes due in 2023		800,000			800,000
4.875% senior notes due in 2026, net of    unamortized discount		596,273			595,912
5.25% senior notes due in 2025, net of unamortized    premium		426,317			426,500
Other		8			14
Total long-term debt		2,022,598			2,574,301
Less: current maturities of long-term debt		(8	)		(11	)
Less: unamortized debt issuance costs		(22,987	)		(26,164	)
Total long-term debt, net of current maturities	$	1,999,603		$	2,548,126
Short-Term Borrowings:
Warehouse lines of credit, with interest ranging    from 1.70% to 4.31%, due in 2018	$	910,766		$	1,254,653
Other		16			16
Total short-term borrowings	$	910,782		$	1,254,669