Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Narrative (Details)

v2.4.1.9
Share-Based Compensation - Narrative (Details) (USD $)
3 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Performance-based targets for target period 3 years
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock option granted, weighted-average exercise price 32.66us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Stock option granted, weighted-average grant date fair value 4.88us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Time-based stock awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity instruments other than options, grant date fair value 32.48us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= hi_TimeBasedStockAwardsMember
Performance-based stock awards (maximum that can be earned)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity instruments other than options, grant date fair value 19.45us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
Performance-based stock awards granted, number of units 150,464hi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodBasedUponTotalShareholderReturn
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
Award performance measurement period 3 years