Financial Instruments and Derivatives - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended			3 Months Ended
	Mar. 31, 2014	Dec. 31, 2014 Scenario, Forecast [Member]	Mar. 31, 2014 Commodity derivative contracts [Member]	Mar. 31, 2014 Interest Rate Swap [Member]	Mar. 31, 2014 Foreign exchange derivative contract [Member]	Mar. 31, 2013 Foreign exchange derivative contract [Member]	Mar. 31, 2014 Foreign exchange derivative contract [Member] Currency, Malaysian ringgit [Member]	Mar. 31, 2013 Foreign exchange derivative contract [Member] Currency, Malaysian ringgit [Member]	Mar. 31, 2014 Foreign exchange derivative contract [Member] Currency, U.S. Dollar	Mar. 31, 2013 Foreign exchange derivative contract [Member] Currency, U.S. Dollar
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair value of commodity derivative contracts			$ 18,800,000
Short-term derivative instruments							133,500,000	274,000,000	23,000,000	20,000,000
Increase (decrease) in income before taxes due to the impact of marking to market of derivative contracts					3,400,000	(2,700,000)
Maturities of notes payable	350,000,000
Deferred loss charged to income	700,000
Loss deferred for fair value of interest rate derivative contracts, net of tax				24,100,000
Interest expense due to deferred loss on interest rate swaps expected during the remaining nine months of 2014		$ 2,200,000