Business realignment charges - Work Force Reductions by Business Segment (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2014 employee	Mar. 31, 2013 employee	Mar. 31, 2014 employee	Mar. 31, 2013 employee
Industrial segment [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated	572	184	1,154	532
Aerospace Segment [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated	17	0	44	0
Other Expense [Member]
Realignment charges [Line Items]
Realignment charges, number of positions eliminated				98