Debt

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Debt

7.  Debt

We have $300 million in fixed-rate public notes that will mature in June 2017.  These notes have been classified as long-term in the Consolidated Balance Sheet at June 30, 2016 based on available capacity under our $4 billion committed revolving credit facility that expires in 2020.