Quarterly report pursuant to Section 13 or 15(d)

Other Comprehensive Income (Loss) - Schedule of changes in accumulated other comprehensive income (loss) (Details)

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Other Comprehensive Income (Loss) - Schedule of changes in accumulated other comprehensive income (loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]    
Balance at the beginning of the period $ (107.9)  
Other comprehensive income before reclassifications    
Before tax amount (15.4) $ (21.6)
Tax expense 0.2 0.5
After tax amount (15.2) (21.1)
Amounts reclassified from accumulated other comprehensive income(1) [1] 1.3 1.3
Total changes in other comprehensive income (loss), net of tax (13.9) (19.8)
Balance at the end of the period (121.7)  
Pension and Postretirement    
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]    
Balance at the beginning of the period (54.4) (46.0)
Other comprehensive income before reclassifications    
Before tax amount 0.0 0.0
Tax expense 0.0 0.0
After tax amount 0.0 0.0
Amounts reclassified from accumulated other comprehensive income(1) [1] 0.7 0.8
Total changes in other comprehensive income (loss), net of tax 0.7 0.8
Balance at the end of the period (53.7) (45.2)
Currency Translation    
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]    
Balance at the beginning of the period (52.1) (4.9)
Other comprehensive income before reclassifications    
Before tax amount (15.1) (20.0)
Tax expense 0.0 0.0
After tax amount (15.1) (20.0)
Amounts reclassified from accumulated other comprehensive income(1) [1] 0.0 0.0
Total changes in other comprehensive income (loss), net of tax (15.1) (20.0)
Balance at the end of the period (67.2) (24.9)
Net Unrealized Gain (Loss) on Derivative Instruments    
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]    
Balance at the beginning of the period (1.4) (1.3)
Other comprehensive income before reclassifications    
Before tax amount (0.2) (1.5)
Tax expense 0.2 0.5
After tax amount 0.0 (1.0)
Amounts reclassified from accumulated other comprehensive income(1) [1] 0.6 0.5
Total changes in other comprehensive income (loss), net of tax 0.6 (0.5)
Balance at the end of the period (0.8) (1.8)
Total Attributable to Hillenbrand, Inc.    
Accumulated Other Comprehensive Income (Loss), before Tax [Roll Forward]    
Balance at the beginning of the period (107.9) (52.2)
Other comprehensive income before reclassifications    
Before tax amount (15.3) (21.5)
Tax expense 0.2 0.5
After tax amount (15.1) (21.0)
Amounts reclassified from accumulated other comprehensive income(1) [1] 1.3 1.3
Total changes in other comprehensive income (loss), net of tax (13.8) (19.7)
Balance at the end of the period (121.7) (71.9)
Noncontrolling Interests    
Other comprehensive income before reclassifications    
Before tax amount (0.1) (0.1)
Tax expense 0.0 0.0
After tax amount (0.1) (0.1)
Amounts reclassified from accumulated other comprehensive income(1) [1] 0.0 0.0
Total changes in other comprehensive income (loss), net of tax $ (0.1) $ (0.1)
[1] Amounts are net of tax.