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v3.3.1.900

DEBT (Details) $ in Thousands | 1 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Feb. 28, 2015 USD ($) | Dec. 31, 2014 USD ($) item | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2015 USD ($)
Debt |  |  |  |  |
Proceeds from private placement |  | $ 475,000 |  |  |
Long-term obligations including current maturities |  | 607,584 | $ 814,413 | $ 607,584 | $ 814,413
Current maturities of long-term obligations |  | (18,692) | (51,889) | (18,692) | (51,889)
Long-term obligations |  | $ 588,892 | 762,524 | 588,892 | 762,524
Aggregate long-term maturities, excluding capital lease obligations |  |  |  |  |
2016 |  |  | 51,368 |  | 51,368
2017 |  |  | 919 |  | 919
2018 |  |  | 75,183 |  | 75,183
2019 |  |  | 185 |  | 185
2020 |  |  | 84,186 |  | 84,186
Thereafter |  |  | 600,944 |  | $ 600,944
Unsecured lines of credit |  |  |  |  |
Debt |  |  |  |  |
Average borrowings |  |  | $ 42,700 | $ 198,300 |
Average annual interest rate on short-term notes payable (as a percent) |  | 1.50% | 6.80% | 1.50% | 6.80%
Revolving credit facility |  |  |  |  |
Debt |  |  |  |  |
Amount outstanding under line of credit |  | $ 230,000 | $ 0 | $ 230,000 | $ 0
Credit facility interest and fees |  |  | 900 | 2,700 |
Notes payable |  |  |  |  |
Debt |  |  |  |  |
Proceeds from debt | $ 225,000 | $ 250,000 |  |  |
Number of maturity tranches in funding of private placement | item |  | 2 |  |  |
Notes payable 0.61% - 27.26%, due in monthly and annual installments through 2025 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 5,160 | 3,785 | 5,160 | $ 3,785
Interest rate on notes payable, low end of range (as a percent) |  |  |  |  | 0.61%
Interest rate on notes payable, high end of range (as a percent) |  |  |  |  | 16.00%
Senior unsecured notes 2.3%, due in 2015 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 16,000 | $ 0 | $ 16,000 | $ 0
Interest rate on senior unsecured notes (as a percent) |  | 2.30% | 2.30% | 2.30% | 2.30%
Senior unsecured notes 6.0%, due in 2016 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 50,000 | $ 50,000 | $ 50,000 | $ 50,000
Interest rate on senior unsecured notes (as a percent) |  | 6.00% | 6.00% | 6.00% | 6.00%
Senior unsecured notes 6.0%, due in 2018 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 75,000 | $ 75,000 | $ 75,000 | $ 75,000
Interest rate on senior unsecured notes (as a percent) |  | 6.00% | 6.00% | 6.00% | 6.00%
Senior unsecured notes 3.8%, due in 2020 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 84,000 | $ 84,000 | $ 84,000 | $ 84,000
Interest rate on senior unsecured notes (as a percent) |  | 3.80% | 3.80% | 3.80% | 3.80%
Senior unsecured notes 3.2%, due in 2022 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 75,000 | $ 75,000 | $ 75,000 | $ 75,000
Interest rate on senior unsecured notes (as a percent) |  | 3.20% | 3.20% | 3.20% | 3.20%
Senior unsecured notes 3.5%, due in 2023 |  |  |  |  |
Debt |  |  |  |  |
Term of debt |  | 9 years |  |  |
Long-term obligations including current maturities |  | $ 125,000 | $ 125,000 | $ 125,000 | $ 125,000
Interest rate on senior unsecured notes (as a percent) |  | 3.49% | 3.49% | 3.49% | 3.49%
Senior unsecured notes 3.4%, due in 2024 |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 50,000 | $ 50,000 | $ 50,000 | $ 50,000
Interest rate on senior unsecured notes (as a percent) |  | 3.40% | 3.40% | 3.40% | 3.40%
Senior unsecured notes 3.5%, due in 2024 |  |  |  |  |
Debt |  |  |  |  |
Term of debt | 9 years |  |  |  |
Long-term obligations including current maturities |  |  | $ 100,000 |  | $ 100,000
Interest rate on senior unsecured notes (as a percent) |  |  | 3.49% |  | 3.49%
Senior unsecured notes 3.6%, due in 2025 |  |  |  |  |
Debt |  |  |  |  |
Term of debt |  | 11 years |  |  |
Long-term obligations including current maturities |  | $ 125,000 | $ 125,000 | $ 125,000 | $ 125,000
Interest rate on senior unsecured notes (as a percent) |  | 3.61% | 3.61% | 3.61% | 3.61%
Senior unsecured notes 3.6%, due in 2026 |  |  |  |  |
Debt |  |  |  |  |
Term of debt | 11 years |  |  |  |
Long-term obligations including current maturities |  |  | $ 125,000 |  | $ 125,000
Interest rate on senior unsecured notes (as a percent) |  |  | 3.61% |  | 3.61%
Capital lease obligations |  |  |  |  |
Debt |  |  |  |  |
Long-term obligations including current maturities |  | $ 2,424 | $ 1,628 | $ 2,424 | $ 1,628

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