Business realignment charges - Work Force Reductions by Business Segment (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2013 employee	Mar. 31, 2012 employee	Mar. 31, 2013 employee	Mar. 31, 2012 employee
Industrial segment [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated	183	152	501	356
Climate and industrial controls [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated	1	8	31	12
Other Expense [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated			98