Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Summary of Carrying Amounts and Estimated Fair Values of Long-Term Debt and Commodity Purchase Contracts

The following is a summary of the carrying amounts and estimated fair values of our long-term debt and commodity purchase contracts as of June 30, 2016 and December 31, 2015:

	June 30, 2016				December 31, 2015
(In millions)	Carrying Value		Fair Value		Carrying Value		Fair Value
Level 1:
Long-term debt:
4.625 Notes (net of debt issuance costs totaling $8.8 million and $9.6 million at June 30, 2016 and December 31, 2015, respectively)	$	679.2	$	703.5	$	678.4	$	635.1
4.875 Notes (net of debt issuance costs totaling $5.4 million and $5.8 million at June 30, 2016 and December 31, 2015, respectively)	$	444.6	$	461.3	$	444.2	$	408.4
Level 2:
Long-term debt:
New Term Loan Facility (net of deferred financing fees totaling $2.8 million and $3.1 million at June 30, 2016 and December 31, 2015, respectively)	$	243.5	$	246.6	$	244.4	$	247.8
Derivative instruments:
Commodity purchase contracts	$	1.2	$	1.2	$	(0.4)	$	(0.4)