Income Tax Expense (Detail Textuals)
$ in Millions
|9 Months Ended|
Sep. 30, 2017
|Income Tax Disclosure [Abstract]|
|Tax benefit associated with the reversal of prior years' tax contingency reserves||$ 11.6|
Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.
Reference 1: http://www.xbrl.org/2003/role/presentationRef