Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share-Based Compensation (Summary Of Expected Sharebased Compensation Expenses Assuming Established Performance Criteria Are Met And No Forfeitures Occur) (Details)

v3.6.0.2
Share-Based Compensation (Summary Of Expected Sharebased Compensation Expenses Assuming Established Performance Criteria Are Met And No Forfeitures Occur) (Details)
$ in Millions
Dec. 31, 2016
USD ($)
2017 [Member]  
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]  
Expected share-based compensation expense $ 98.1
2018 [Member]  
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]  
Expected share-based compensation expense 47.6
2019 [Member]  
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]  
Expected share-based compensation expense 7.9
2020 [Member]  
Unrecognized Share-Based Compensation, Expected Period Of Recognition [Line Items]  
Expected share-based compensation expense $ 0.6