XML 116 R102.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accumulated Other Comprehensive Income (Loss) - Schedule of AOCI Activity (Details) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2016
May 31, 2015
May 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance $ (77.0) $ (55.2)  
Other comprehensive income (loss) before reclassifications (12.7) (26.1)  
Other comprehensive income (loss) (9.7) (21.8)  
Ending balance (86.7) (77.0) $ (55.2)
Pension and postretirement adjustments, tax portion 22.4 20.6 18.1
Pension Plans [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (38.0) (33.2)  
Other comprehensive income (loss) before reclassifications (2.8) (8.5)  
Other comprehensive income (loss) (1.4) (4.8)  
Ending balance (39.4) (38.0) (33.2)
Postretirement Benefits [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (7.1) (5.4)  
Other comprehensive income (loss) before reclassifications (1.8) (2.3)  
Other comprehensive income (loss) (0.2) (1.7)  
Ending balance (7.3) (7.1) (5.4)
Foreign currency translation adjustments [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Beginning balance (31.9) (16.6)  
Other comprehensive income (loss) before reclassifications (8.1) (15.3)  
Other comprehensive income (loss) (8.1) (15.3)  
Ending balance (40.0) (31.9) $ (16.6)
Lump sum settlement charge [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 0.0 2.6  
Lump sum settlement charge [Member] | Pension Plans [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 0.0 2.6  
Lump sum settlement charge [Member] | Postretirement Benefits [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 0.0 0.0  
Recognized net actuarial loss [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 3.0 1.9  
Recognized net actuarial loss [Member] | Pension Plans [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 1.4 1.1  
Recognized net actuarial loss [Member] | Postretirement Benefits [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 1.6 0.8  
Service cost [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 0.0 (0.2)  
Service cost [Member] | Pension Plans [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) 0.0 0.0  
Service cost [Member] | Postretirement Benefits [Member]      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Amounts reclassified from Accumulated other comprehensive income (loss) $ 0.0 $ (0.2)