Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000912562 (http://www.sec.gov/CIK)

Long-term Debt, Unclassified [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Long-term Debt, Unclassified [Abstract]
Schedule of Long-Term Debt	Long-term debt at December 31 consists of the following (in thousands):    2016   2015 Senior Subordinated 6.25% Notes $ 210,000   $ 210,000 Other debt 2,800   3,200 Less unamortized debt issuance costs (3,163 )   (3,918 ) Total debt 209,637   209,282 Less current maturities 400   400 Total long-term debt $ 209,237   $ 208,882
Schedule of Aggregate Maturities of Long-Term Debt	The aggregate maturities of long-term debt for the next five years and thereafter are as follows (in thousands): 2017 $ 400 2018 $ 400 2019 $ 400 2020 $ 400 2021 $ 210,400 Thereafter $ 800
Schedule of Cash Paid for Interest	Total cash paid for interest in the years ended December 31 was (in thousands):   2016   2015   2014 Cash paid for interest $ 13,906   $ 15,374   $ 13,864