Quarterly report pursuant to Section 13 or 15(d)

Share-Based Payments - Stock Option Activity (Details)

v3.6.0.2
Share-Based Payments - Stock Option Activity (Details) - Employee Stock Option
$ / shares in Units, $ in Thousands
 3 Months Ended
Dec. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding, end of period (in shares) 0
All Plans  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]  
Outstanding, beginning of period (in shares) 77,733
Exercised (in shares) (333)
Expired or forfeited (in shares) (77,400)
Outstanding, end of period (in shares) 0
Exercisable (in shares) 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]  
Outstanding, weighted-average exercise price, beginning of period (in dollars per share) | $ / shares $ 40.56
Exercised, weighted-average exercise price (in dollars per share) | $ / shares 40.56
Expired or forfeited, weighted-average exercise price (in dollars per share) | $ / shares 40.56
Outstanding, weighted-average exercise price, end of period (in dollars per share) | $ / shares 0.00
Exercisable, weighted-average exercise price (in dollars per share) | $ / shares $ 0.00
Outstanding, weighted-average remaining contractual term (in years) 0 years
Outstanding, aggregate intrinsic value | $ $ 0
Exercisable, weighted-average remaining contractual term (in years) 0 years
Exercisable, aggregate intrinsic value | $ $ 0