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Long-Term Debt | 3 Months Ended
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Mar. 31, 2018
Debt Disclosure [Abstract] |
Long-Term Debt | Long-Term Debt Long-term debt at March 31, 2018 and December 31, 2017 consisted of the following:
(in thousands) | March 31, 2018 |  | December 31, 2017
Current portion of long-term debt: |  |  |
Current portion of 5-year term loan facility expires June 28, 2022 | $ | 20,000 |  |  | $ | 20,000 |
4.500% senior notes, Series E, quarterly interest payments, balloon due September 2018 | 100,000 |  |  | 100,000 |
Total current portion of long-term debt | 120,000 |  |  | 120,000 |
Long-term debt: |  |  |
Note agreements: |  |  |
4.200% senior notes, semi-annual interest payments, net of the unamortized discount, balloon due 2024 | 498,983 |  |  | 498,943 |
Total notes | 498,983 |  |  | 498,943 |
Credit agreements: |  |  |
5-year term-loan facility, periodic interest and principal payments, LIBOR plus up to 1.750%, expires June 28, 2022 | 360,000 |  |  | 365,000 |
5-year revolving-loan facility, periodic interest payments, LIBOR plus up to 1.500%, plus commitment fees up to 0.250%, expires June 28, 2022 | — |  |  | — |
Total credit agreements | 360,000 |  |  | 365,000 |
Debt issuance costs (contra) | (7,435 | ) |  | (7,802 | )
Total long-term debt less unamortized discount and debt issuance costs | 851,548 |  |  | 856,141 |
Current portion of long-term debt | 120,000 |  |  | 120,000 |
Total debt | $ | 971,548 |  |  | $ | 976,141 |
On December 22, 2006, the Company entered into a Master Shelf and Note Purchase Agreement (the “Master Agreement”) with a national insurance company. The initial issuance of notes under the Master Agreement occurred on December 22, 2006, through the issuance of $25.0 million in Series C Senior Notes due December 22, 2016, with a fixed interest rate of 5.660% per year. On February 1, 2008, $25.0 million in Series D Senior Notes due January 15, 2015, with a fixed interest rate of 5.370% per year, were issued. On September 15, 2011, and pursuant to a Confirmation of Acceptance, dated January 21, 2011, in connection with the Master Agreement, $100.0 million in Series E Senior Notes were issued and are due September 15, 2018, with a fixed interest rate of 4.500% per year. The Series E Senior Notes were issued for the sole purpose of retiring existing Senior Notes. On January 15, 2015 the Series D Senior Notes were redeemed at maturity using cash proceeds to pay off the principal of $25.0 million plus any remaining accrued interest. On December 22, 2016, the Series C Senior Notes were redeemed at maturity using cash proceeds to pay off the principal of $25.0 million plus any remaining accrued interest. As of March 31, 2018, there was an outstanding debt balance issued under the provisions of the Master Agreement of $100.0 million. On June 28, 2017, the Company entered into an amended and restated credit agreement (the “Amended and Restated Credit Agreement”) with the lenders named therein, JPMorgan Chase Bank, N.A. as administrative agent and certain other banks as co-syndication agents and co-documentation agents. The Amended and Restated Credit Agreement amended and restated the credit agreement dated April 17, 2014, among such parties (the “Original Credit Agreement”). The Amended and Restated Credit Agreement extends the applicable maturity date of the existing revolving credit facility (the “Facility”) of $800.0 million to June 28, 2022 and re-evidences unsecured term loans at $400.0 million while also extending the applicable maturity date to June 28, 2022. The term loan principal amortization schedule was reset with payments due quarterly. At the time of the execution of the Amended and Restated Credit Agreement, $67.5 million of principal from the original unsecured term loans was repaid using operating cash balances, and the Company added an additional $2.8 million in debt issuance costs related to the Facility to the Consolidated Balance Sheet. The Company also expensed to the Consolidated Statements of Income $0.2 million of debt issuance costs related to the Original Credit Agreement due to certain lenders exiting prior to the modified agreement, while also carrying forward $1.6 million on the Consolidated Balance Sheet the unamortized portion of the Original Credit Agreement debt issuance costs which will amortize over the term of the Amended and Restated Credit Agreement. Either or both of the revolving credit facility and the term loans may be extended for two additional one year periods at the Company’s request and at the discretion of the respective lenders. Interest and facility fees in respect to the Credit Facility are based upon the better of the Company’s net debt leverage ratio or a non-credit enhanced senior unsecured long-term debt rating. Based upon the Company’s net debt leverage ratio, the rates of interest charged on the term loan are 1.000% to 1.750%, and the revolving loan is 0.850% to 1.500% above the adjusted LIBOR rate for outstanding amounts drawn. There are fees included in the facility which include a facility fee based upon the revolving credit commitments of the lenders (whether used or unused) at a rate of 0.150% to 0.250% and letter of credit fees based upon the amounts of outstanding secured or unsecured letters of credit. The Amended and Restated Credit Agreement includes various covenants, limitations and events of default customary for similar facilities for similarly rated borrowers. On March 31, 2018, a scheduled principal payment of $5.0 million was satisfied per the terms of the Amended and Restated Credit Agreement. As of March 31, 2018, there was an outstanding debt balance issued under the terms of the Amended and Restated Credit Agreement of $380.0 million with no borrowings outstanding against the revolving loan. Per the terms of the Amended and Restated Credit Agreement, a scheduled principal payment of $5.0 million is due June 30, 2018. On September 18, 2014, the Company issued $500.0 million of 4.200% unsecured Senior Notes due in 2024. The Senior Notes were given investment grade ratings of BBB-/Baa3 with a stable outlook. The notes are subject to certain covenant restrictions and regulations which are customary for credit rated obligations. At the time of funding, the proceeds were offered at a discount of the original note amount which also excluded an underwriting fee discount. The net proceeds received from the issuance were used to repay the outstanding balance of $475.0 million on the revolving Credit Facility and for other general corporate purposes. As of March 31, 2018 and December 31, 2017, there was an outstanding debt balance of $500.0 million exclusive of the associated discount balance. The Master Agreement and the Amended and Restated Credit Agreement require the Company to maintain certain financial ratios and comply with certain other covenants. The Company was in compliance with all such covenants as of March 31, 2018 and December 31, 2017. The 30-day Adjusted LIBOR Rate as of March 31, 2018 was 1.938%.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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