XML 70 R55.htm IDEA: XBRL DOCUMENT v3.6.0.2
DEBT (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Feb. 28, 2015
USD ($)
Dec. 31, 2014
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Debt        
Proceeds from private placement   $ 475,000    
Number of maturity tranches in funding of private placement | item   2    
Long-term obligations gross including current maturities     $ 778,788 $ 814,413
Current maturities of long-term obligations     (4,603) (51,889)
Total long-term obligations     774,185 762,524
Deferred Finance Costs, Net, Total     1,448 1,681
Deferred debt issuance costs current       (5)
Deferred debt issuance costs noncurrent     1,448 1,676
Long-term obligations including current maturities     777,340 812,732
Current maturities of long-term obligations     (4,603) (51,884)
Long-term obligations, net of unamortized debt issuance costs     772,737 760,848
Aggregate long-term maturities, excluding capital lease obligations        
2017     3,800  
2018     78,443  
2019     5,338  
2020     85,703  
2021     1,704  
Thereafter     602,259  
Unsecured lines of credit        
Debt        
Average borrowings     $ 90,900 $ 42,700
Average annual interest rate on short-term notes payable (as a percent)     2.20% 6.80%
Revolving credit facility        
Debt        
Amount outstanding under line of credit     $ 166,000 $ 0
Credit facility interest and fees     2,000 900
Notes payable        
Debt        
Proceeds from private placement $ 225,000 $ 250,000    
Notes payable 0.61% - 16.00%, due in monthly and annual installments through 2025        
Debt        
Long-term obligations gross including current maturities     18,246 3,785
Long-term obligations including current maturities     $ 18,246 $ 3,785
Notes payable 0.61% - 16.00%, due in monthly and annual installments through 2025 | Minimum        
Debt        
Interest rate on notes (as a percent)     0.61% 0.61%
Notes payable 0.61% - 16.00%, due in monthly and annual installments through 2025 | Maximum        
Debt        
Interest rate on notes (as a percent)     16.00% 14.50%
Senior unsecured notes 6.0% due in 2016        
Debt        
Long-term obligations gross including current maturities       $ 50,000
Deferred Finance Costs, Net, Total       5
Long-term obligations including current maturities       $ 49,995
Interest rate on notes (as a percent)       6.00%
Senior unsecured notes 6.0%, due in 2018        
Debt        
Long-term obligations gross including current maturities     $ 75,000 $ 75,000
Deferred Finance Costs, Net, Total     37 63
Long-term obligations including current maturities     $ 74,963 $ 74,937
Interest rate on notes (as a percent)     6.00% 6.00%
Senior unsecured notes 3.8%, due in 2020        
Debt        
Long-term obligations gross including current maturities     $ 84,000 $ 84,000
Deferred Finance Costs, Net, Total     119 150
Long-term obligations including current maturities     $ 83,881 $ 83,850
Interest rate on notes (as a percent)     3.80% 3.80%
Senior unsecured notes 3.2%, due in 2022        
Debt        
Long-term obligations gross including current maturities     $ 75,000 $ 75,000
Deferred Finance Costs, Net, Total     138 163
Long-term obligations including current maturities     $ 74,862 $ 74,837
Interest rate on notes (as a percent)     3.20% 3.20%
Senior unsecured notes 3.5%, due in 2023        
Debt        
Term of debt   9 years    
Long-term obligations gross including current maturities     $ 125,000 $ 125,000
Deferred Finance Costs, Net, Total     256 293
Long-term obligations including current maturities     $ 124,744 $ 124,707
Interest rate on notes (as a percent)   3.49% 3.49% 3.49%
Senior unsecured notes 3.4%, due in 2024        
Debt        
Long-term obligations gross including current maturities     $ 50,000 $ 50,000
Deferred Finance Costs, Net, Total     104 118
Long-term obligations including current maturities     $ 49,896 $ 49,882
Interest rate on notes (as a percent)     3.40% 3.40%
Senior unsecured notes 3.5%, due in 2024        
Debt        
Term of debt 9 years      
Long-term obligations gross including current maturities     $ 100,000 $ 100,000
Deferred Finance Costs, Net, Total     256 293
Long-term obligations including current maturities     $ 99,744 $ 99,707
Interest rate on notes (as a percent) 3.49%   3.49% 3.49%
Senior unsecured notes 3.6%, due in 2025        
Debt        
Term of debt   11 years    
Long-term obligations gross including current maturities     $ 125,000 $ 125,000
Deferred Finance Costs, Net, Total     269 298
Long-term obligations including current maturities     $ 124,731 $ 124,702
Interest rate on notes (as a percent)   3.61% 3.61% 3.61%
Senior unsecured notes 3.6%, due in 2026        
Debt        
Term of debt 11 years      
Long-term obligations gross including current maturities     $ 125,000 $ 125,000
Deferred Finance Costs, Net, Total     269 298
Long-term obligations including current maturities     $ 124,731 $ 124,702
Interest rate on notes (as a percent) 3.61%   3.61% 3.61%
Capital lease obligations        
Debt        
Long-term obligations gross including current maturities     $ 1,542 $ 1,628
Long-term obligations including current maturities     $ 1,542 $ 1,628