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Property, Plant and Equipment (Tables) | 12 Months Ended
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Jun. 30, 2018
Property, Plant and Equipment [Abstract] |
Summary of property, plant and equipment | Property, plant and equipment consisted of the following components at June 30, 2018 and 2017:
|  | June 30,
($ in millions) |  | 2018 |  | 2017
Land |  | $ | 34.8 |  |  | $ | 34.1 |
Buildings and building equipment |  | 500.0 |  |  | 495.7 |
Machinery and equipment |  | 2,129.0 |  |  | 2,082.4 |
Construction in progress |  | 83.6 |  |  | 56.3 |
Total at cost |  | 2,747.4 |  |  | 2,668.5 |
Less: accumulated depreciation and amortization |  | 1,434.0 |  |  | 1,351.7 |
Total property, plant, and equipment |  | $ | 1,313.4 |  |  | $ | 1,316.8 |
Schedule of estimated useful lives of depreciable assets | The estimated useful lives of depreciable assets are as follows:
Asset Category |  | Useful Life (in Years)
Buildings and building equipment |  | 10 – 45
Machinery and equipment |  | 3 – 30

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- Definition Tabular disclosure of the salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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- Definition Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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- References No definition available. + Details
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