Property, Plant and Equipment (Tables)

12 Months Ended

Jun. 30, 2013

Property, Plant and Equipment

Summary of property, plant and equipment

	June 30,
($ in millions)	2013		2012
Land	$	20.9	$	16.6
Buildings and building equipment	326.4		301.3
Machinery and equipment	1,555.7		1,454.6
Construction in progress	292.1		97.6
Total at cost	2,195.1		1,870.1
Less: accumulated depreciation and amortization	1,026.7		945.5
Total property, plant, and equipment	$	1,168.4	$	924.6

Schedule of estimated useful lives of depreciable assets

Asset Category	Useful Life (in Years)
Buildings and building equipment	10 – 45
Machinery and equipment	3 – 30