Summary of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2013

Summary of Significant Accounting Policies [Abstract]

Estimated Useful Lives of Property, Plant and Equipment

Property, plant, and equipment are recorded at cost. Depreciation is calculated using the straight-line method based on the estimated useful lives of assets. The estimated useful lives of property, plant, and equipment are as follows:

		Range of
		Useful Lives
Asset Type:
	Land improvements and land use rights	20 to 36 years
	Buildings	35 to 40 years
	Manufacturing equipment	5 to 25 years
	Furnaces	10 to 20 years
	Other	2 to 10 years