Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Narrative (Details)

v2.4.1.9
Commitments and Contingencies - Narrative (Details) (General claims and lawsuits, USD $)
In Millions, unless otherwise specified
6 Months Ended
Mar. 31, 2015
Minimum
 
Commitments and Contingencies  
Deductibles and self-insured retentions per occurrence or per claim $ 0.5hi_DeductiblesAndSelfInsuredRetentionsPerClaim
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= hi_GeneralClaimsAndLawsuitMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum
 
Commitments and Contingencies  
Deductibles and self-insured retentions per occurrence or per claim $ 1.0hi_DeductiblesAndSelfInsuredRetentionsPerClaim
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= hi_GeneralClaimsAndLawsuitMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember