Share-Based Compensation (Restricted Stock Granted) (Details) - Restricted Stock [Member] - $ / shares					12 Months Ended
	Dec. 02, 2016	Nov. 10, 2016	Sep. 07, 2016	Sep. 02, 2016	Jun. 30, 2017
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Shares granted (in shares)					170,368
Grant date fair value (in dollars per share)					$ 36.77
Employees, Certain Employees Based On Performance [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Shares granted (in shares)			433	207
Grant date fair value (in dollars per share)			$ 35.73	$ 35.79
Vesting period (years)					3 years
Employees, Certain Employees Based On Promotion [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Shares granted (in shares)		721	2,884
Grant date fair value (in dollars per share)		$ 34.20	$ 35.73
Vesting period (years)					3 years
Certain Employees [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Shares granted (in shares)	151,623
Grant date fair value (in dollars per share)	$ 37.00
Vesting period (years)					3 years
2013 Long-Term Incentive Plan [Member] | Non-Employee Directors, Certain Directors [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Shares granted (in shares)	14,500
Grant date fair value (in dollars per share)	$ 37.00
Vesting period (years)					6 months