Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Long-Term Debt

Long-term debt, net of unamortized discounts, premiums, and debt issuance costs totaling $44.3 million and $37.3 million at December 31, 2017 and 2016, respectively, consists of the following.

	December 31,
In thousands	2017		2016
Revolving credit facility	$	188,000	$	905,000
Term loan	—		498,865
Note payable	9,974		12,176
5% Senior Notes due 2022	1,997,576		1,997,188
4.5% Senior Notes due 2023	1,486,690		1,484,524
3.8% Senior Notes due 2024	992,036		990,964
4.375% Senior Notes due 2028	988,061		—
4.9% Senior Notes due 2044	691,354		691,199
Total debt	6,353,691		6,579,916
Less: Current portion of long-term debt	2,286		2,219
Long-term debt, net of current portion	$	6,351,405	$	6,577,697

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 December 31, 2017.

	2022 Notes (1)	2023 Notes	2024 Notes	2028 Notes	2044 Notes
Face value (in thousands)	$2,000,000	$1,500,000	$1,000,000	$1,000,000	$700,000
Maturity date	Sep 15, 2022	April 15, 2023	June 1, 2024	January 15, 2028	June 1, 2044
Interest payment dates	March 15,  Sep 15	April 15, Oct 15	June 1, Dec 1	Jan 15, July 15	June 1, Dec 1
Make-whole redemption period (2)	—	Jan 15, 2023	Mar 1, 2024	Oct 15, 2027	Dec 1, 2043

(1) The Company has the option to redeem all or a portion of its 2022 Notes at the decreasing redemption prices specified in the indenture related to the 2022 Notes plus any accrued and unpaid interest to the date of redemption.

(2) At any time prior to the indicated 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 respective senior note indentures plus any accrued and unpaid interest to the date of redemption. On or after these dates, the Company may redeem all or a portion of its senior notes at a redemption price equal to 100% of the principal amount of the senior notes being redeemed plus any accrued and unpaid interest to the date of redemption.