XML 20 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-Term Debt and Short-Term Debt - Summary of Long-Term Debt and Short-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Total debt $ 57,500 $ 36,477
Less current maturities of long-term debt 4,000 10,477
Long-term debt, excluding current maturities of long-term debt 53,500 26,000
Total debt 57,500 36,477
October 26, 2017 [Member]
    
Debt Instrument [Line Items]    
Borrowings under our $100,000 revolving credit facility bearing interest at a floating rate equal to LIBOR (0.1875% at June 30, 2014) plus an applicable margin of 1.25% at June 30, 2014, expiring October 26, 2017. 37,500 10,763
April 26, 2014 [Member]
    
Debt Instrument [Line Items]    
Borrowings under our $40,000 aggregate principal amount of fixed rate notes bore interest at a fixed rate of 4.89% and matured on April 26, 2014. Annual principal payments of $5,714 began on April 26, 2008 and extend through the date of maturity.   5,714
December 20, 2018 [Member]
    
Debt Instrument [Line Items]    
Borrowings under our $20,000 aggregate principal amount of fixed rate notes bearing interest at a fixed rate of 4.64% maturing on December 20, 2018. Annual principal payments of $4,000 will begin on December 22, 2014 and extend through the date of maturity. $ 20,000 $ 20,000