XML 126 R105.htm IDEA: XBRL DOCUMENT v3.8.0.1
Common Stock and Equity-Based Compensation - Additional Information Relating to Stock Options Outstanding and Exercisable (Details) - UGI Stock Option Awards
12 Months Ended
Sep. 30, 2017
$ / shares
shares
Under $20.00  
Share-based Compensation Arrangement by Share-based Payment Award  
Range of exercise prices, lower limit (in dollars per share) $ 0
Range of exercise prices, upper limit (in dollars per share) $ 20.00
Number of options (in shares) | shares 1,351,925
Weighted average remaining contractual life (in years) 3 years 3 months 18 days
Weighted average exercise price (in dollars per share) $ 18.26
Number of options (in shares) | shares 1,351,925
Weighted average exercise price (in dollars per share) $ 18.26
$20.00 – $25.00  
Share-based Compensation Arrangement by Share-based Payment Award  
Range of exercise prices, lower limit (in dollars per share) 20.00
Range of exercise prices, upper limit (in dollars per share) $ 25.00
Number of options (in shares) | shares 1,947,779
Weighted average remaining contractual life (in years) 4 years 7 months 6 days
Weighted average exercise price (in dollars per share) $ 21.57
Number of options (in shares) | shares 1,947,779
Weighted average exercise price (in dollars per share) $ 21.57
$25.01 – $30.00  
Share-based Compensation Arrangement by Share-based Payment Award  
Range of exercise prices, lower limit (in dollars per share) 25.01
Range of exercise prices, upper limit (in dollars per share) $ 30.00
Number of options (in shares) | shares 1,462,977
Weighted average remaining contractual life (in years) 6 years 1 month 6 days
Weighted average exercise price (in dollars per share) $ 27.43
Number of options (in shares) | shares 1,342,377
Weighted average exercise price (in dollars per share) $ 27.42
$30.01 – $35.00  
Share-based Compensation Arrangement by Share-based Payment Award  
Range of exercise prices, lower limit (in dollars per share) 30.01
Range of exercise prices, upper limit (in dollars per share) $ 35.00
Number of options (in shares) | shares 1,402,988
Weighted average remaining contractual life (in years) 8 years 1 month 6 days
Weighted average exercise price (in dollars per share) $ 33.66
Number of options (in shares) | shares 499,351
Weighted average exercise price (in dollars per share) $ 33.52
Over $35.00  
Share-based Compensation Arrangement by Share-based Payment Award  
Range of exercise prices, lower limit (in dollars per share) $ 35.01
Number of options (in shares) | shares 2,616,079
Weighted average remaining contractual life (in years) 8 years 3 months 18 days
Weighted average exercise price (in dollars per share) $ 42.93
Number of options (in shares) | shares 832,236
Weighted average exercise price (in dollars per share) $ 38.81