Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

The following table presents the outstanding balance, total amount of letters of credit, and available borrowing capacity under the Company’s credit facility as of April 29, 2015, March 31, 2015, and December 31, 2014:

	As of April 29, 2015		As of March 31, 2015		As of December 31, 2014
	(in thousands)
Credit facility balance	$	502,500	$	416,500	$	166,000
Letters of credit (1)	$	808	$	808	$	808
Available borrowing capacity	$	996,692	$	1,082,692	$	1,333,192

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⁽¹⁾ Letters of credit reduce the amount available under the credit facility on a dollar-for-dollar basis.

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

The Senior Notes line on the accompanying balance sheets represents the outstanding principal amount of the 6.625% Senior Notes due 2019 (the “2019 Notes”), the 6.50% Senior Notes due 2021 (the “2021 Notes”), the 6.125% Senior Notes due 2022 (the “2022 Notes”), the 6.50% Senior Notes due 2023 (the “2023 Notes”), and the 5.0% Senior Notes due 2024 (the “2024 Notes” and collectively with the 2019 Notes, 2021 Notes, 2022 Notes, and 2023 Notes, the “Senior Notes”), as shown in the table below:

	As of March 31, 2015		As of December 31, 2014
	(in thousands)
2019 Notes	$	350,000	$	350,000
2021 Notes	350,000		350,000
2022 Notes	600,000		600,000
2023 Notes	400,000		400,000
2024 Notes	500,000		500,000
Total Senior Notes	$	2,200,000	$	2,200,000