Note 7 - Long-term Obligations (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Long-term Debt Instruments [Table Text Block]

	March 31, 2016			December 31, 2015
$240,000 revolving loan, LIBOR plus 2.25% - 3.25% (effective rate of 3.18% at March 31, 2016) with interest payable at least once every three months through August 2018	$	34,700		$	19,700
$250,000 term loan, LIBOR plus 2.25% - 3.25% (effective rate of 3.36% at March 31, 2016), with principal payable quarterly beginning March 31, 2015 and interest payable at least once every three months, through August 2018		225,000			231,250
$60,000 term loan, LIBOR plus 2.25% - 3.25% (effective rate of 3.36% at March 31, 2016), with principal payable quarterly beginning December 31, 2014 and interest payable at least once every three months, through August 2018		52,500			54,000
		312,200			304,950
Unamortized discount on debt		(4,347	)		(4,879	)
		307,853			300,071
Less current portion		33,313			31,375
Total long-term obligations, less current portion	$	274,540		$	268,696