Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Summary of Maturity Dates, Semi-Annual Interest Payment Dates, and Optional Redemption Periods of Outstanding Senior Note Obligations

The following table summarizes the face values, maturity dates, semi-annual interest payment dates, and optional redemption periods related to the Company’s outstanding senior note obligations at September 30, 2016.

	2020 Notes (3)	2021 Notes (3)	2022 Notes	2023 Notes	2024 Notes	2044 Notes
Face value (in thousands)	$200,000	$400,000	$2,000,000	$1,500,000	$1,000,000	$700,000
Maturity date	Oct 1, 2020	April 1, 2021	Sep 15, 2022	April 15, 2023	June 1, 2024	June 1, 2044
Interest payment dates	April 1, Oct 1	April 1, Oct 1	March 15, Sep 15	April 15, Oct 15	June 1, Dec 1	June 1, Dec 1
Call premium redemption period (1)	Oct 1, 2015	April 1, 2016	March 15, 2017	—	—	—
Make-whole redemption period (2)	—	—	March 15, 2017	Jan 15, 2023	Mar 1, 2024	Dec 1, 2043

(1) On or after these dates, the Company has the option to redeem all or a portion of its senior notes of the applicable series at the decreasing redemption prices specified in the respective senior note indentures (together, the “Indentures”) plus any accrued and unpaid interest to the date of redemption.

(2) At any time prior to these dates, the Company has the option to redeem all or a portion of its senior notes of the applicable series at the “make-whole” redemption prices or amounts specified in the Indentures plus any accrued and unpaid interest to the date of redemption.

(3) As discussed in Note 11. Subsequent Events, on October 4, 2016 the Company announced it will redeem these senior notes on November 10, 2016.

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

Long-term debt, net of unamortized discounts, premiums, and debt issuance costs totaling $45.5 million and $49.6 million at September 30, 2016 and December 31, 2015, respectively, consists of the following.

In thousands	September 30, 2016		December 31, 2015
Revolving credit facility	$	565,000	$	853,000
Term loan	498,710		498,274
Note payable	12,716		14,309
7.375% Senior Notes due 2020 (1)	197,036		196,574
7.125% Senior Notes due 2021 (1)	395,923		395,365
5% Senior Notes due 2022	1,997,095		1,996,831
4.5% Senior Notes due 2023	1,483,994		1,482,451
3.8% Senior Notes due 2024	990,702		989,932
4.9% Senior Notes due 2044	691,162		691,052
Total debt	$	6,832,338	$	7,117,788
Less: Current portion of long-term debt	2,197		2,144
Long-term debt, net of current portion	$	6,830,141	$	7,115,644

(1) As discussed in Note 11. Subsequent Events, on October 4, 2016 the Company announced it will redeem the 7.375% Senior Notes due 2020 and the 7.125% Senior Notes due 2021 on November 10, 2016.