Long-Term Debt (Tables)

3 Months Ended

Apr. 29, 2020

Mar. 31, 2020

Line of Credit Facility [Table Text Blocks]

Schedule of Credit Agreement Facilities [Table Text Block]

The following table presents the outstanding balance, total amount of letters of credit outstanding, and available borrowing capacity under the Credit Agreement as of filing on April 29, 2020, March 31, 2020, and December 31, 2019:

	As of filing on April 29, 2020		As of March 31, 2020		As of December 31, 2019
	(in thousands)
Revolving credit facility (1)	$	93,500	$	72,000	$	122,500
Letters of credit	—		—		—
Available borrowing capacity	1,006,500		1,128,000		1,077,500
Total aggregate lender commitment amount	$	1,100,000	$	1,200,000	$	1,200,000

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Unamortized deferred financing costs attributable to the revolving credit facility are presented as a component of the other noncurrent assets line item on the accompanying balance sheets and totaled $5.5 million and $5.9 million as of March 31, 2020, and December 31, 2019, respectively. These costs are being amortized over the term of the revolving credit facility on a straight-line basis.

Schedule of Senior Notes [Table Text Block]

The Senior Notes, net of unamortized deferred financing costs line item on the accompanying balance sheets as of March 31, 2020, and December 31, 2019, consisted of the following:

	As of March 31, 2020						As of December 31, 2019
	Principal Amount		Unamortized Deferred Financing Costs		Principal Amount, Net of Unamortized Deferred Financing Costs		Principal Amount		Unamortized Deferred Financing Costs		Principal Amount, Net of Unamortized Deferred Financing Costs
	(in thousands)
6.125% Senior Notes due 2022	$	436,047	$	2,442	$	433,605	$	476,796	$	2,920	$	473,876
5.0% Senior Notes due 2024	500,000		3,535		496,465		500,000		3,766		496,234
5.625% Senior Notes due 2025	500,000		4,677		495,323		500,000		4,903		495,097
6.75% Senior Notes due 2026	500,000		5,362		494,638		500,000		5,571		494,429
6.625% Senior Notes due 2027	500,000		6,368		493,632		500,000		6,601		493,399
Total	$	2,436,047	$	22,384	$	2,413,663	$	2,476,796	$	23,761	$	2,453,035

Schedule of Senior Convertible Notes [Table Text Block]

The Senior Convertible Notes, net of unamortized discount and deferred financing costs line on the accompanying balance sheets as of March 31, 2020, and December 31, 2019, consisted of the following:

	As of March 31, 2020			As of December 31, 2019
	(in thousands)
Principal amount of Senior Convertible Notes	$	172,500		$	172,500
Unamortized debt discount	(11,633		)	(13,861		)
Unamortized deferred financing costs	(1,146		)	(1,376		)
Senior Convertible Notes, net of unamortized discount and deferred financing costs	$	159,721		$	157,263

Subsequent Event [Member]

Line of Credit Facility [Table Text Blocks]

Schedule of Borrowing Base Utilization [Table Text Block]

Borrowing Base Utilization Percentage	<25%		≥25% <50%		≥50% <75%		≥75% <90%		≥90%
Eurodollar Loans (1)	1.750	%	2.000	%	2.500	%	2.750	%	3.000	%
ABR Loans or Swingline Loans	0.750	%	1.000	%	1.500	%	1.750	%	2.000	%
Commitment Fee Rate	0.375	%	0.375	%	0.500	%	0.500	%	0.500	%

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The Credit Agreement specifies that in the event that LIBOR is no longer a widely used benchmark rate, or that it is no longer used for determining interest rates for loans in the United States, a replacement interest rate that fairly reflects the cost to the lenders of funding loans shall be established by the Administrative Agent, as defined in the Credit Agreement, in consultation with the Company. Please refer to Note 1 - Summary of Significant Accounting Policies for discussion of FASB ASU 2020-04, which provides guidance related to reference rate reform.