Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000078814 (http://www.sec.gov/CIK)

Debt Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	December 31,   Interest rate   2016   2015 Commercial paper variable   $ —   $ 90,000 Notes due January 2016 4.75%   —   370,914 Notes due September 2017 5.75%   385,109   385,109 Notes due March 2018 5.6%   250,000   250,000 Notes due May 2018 4.75%   350,000   350,000 Notes due March 2019 6.25%   300,000   300,000 Notes due October 2021 3.375%   600,000   — Notes due March 2024 4.625%   500,000   500,000 Notes due January 2037 5.25%   115,041   115,041 Notes due March 2043 6.7%   425,000   425,000 Term loans Variable   450,000   150,000 Other debt     5,677   15,758 Principal amount     3,380,827   2,951,822 Less: unamortized discount and issuance costs     28,796   23,617 Plus: unamortized interest rate swap proceeds     12,859   22,463 Total debt     3,364,890   2,950,668 Less: current portion long-term debt     614,485   461,085 Long-term debt     $ 2,750,405   $ 2,489,583
Schedule of Maturities of Long-term Debt	Annual maturities of outstanding debt at December 31, 2016 are as follows: 2017 $ 614,485 2018 600,177 2019 300,177 2020 300,147 2021 600,000 Thereafter 965,841 Total $ 3,380,827