Interim Financial Statements (Details) - New Accounting Pronouncement, Early Adoption, Effect [Member] - Accounting Standards Update 2016-09 [Member] $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) $ / shares
New Accounting Pronouncement, Early Adoption [Line Items]
Dilutive Securities, Effect on Basic Earnings Per Share | $ / shares	$ 0.14
Additional Paid-in Capital [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Excess Tax Benefit from Share-based Compensation, Financing Activities | $	$ 15.6