Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Summary of Significant Accounting Policies - Business (Details) - $ / shares shares in Millions	Sep. 06, 2016	Jun. 06, 2016	Jun. 02, 2015	Mar. 09, 2015
Sale of Stock, Number of Shares, Underwriters Option to Purchase			2.1	3.6
Blackstone [Member]
Share Price	$ 23.85	$ 24.85	$ 29.00	$ 29.50
Sale of Stock, Number of Shares Sold by Entity	19.0	10.0	16.1	27.3