Restructuring Costs Non-qualified restructuring charges incurred (Details) $ in Millions	3 Months Ended
Mar. 31, 2017 USD ($)
Restructuring and Related Activities [Abstract]
Non-qualified restructuring charges incurred	$ 0.3

Non-qualified restructuring charges, which represent costs that are directly attributable to restructuring activities, but do not fall into the severance, exit or disposal category.

No definition available.

Name:	ir_Nonqualifiedrestructuringchargesincurred
Namespace Prefix:	ir_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration