Financial Instruments And Risk Management (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended			9 Months Ended							3 Months Ended
	Jan. 31, 2012	Mar. 31, 2012	Jan. 31, 2012 U.S. Term Loans [Member]	Dec. 31, 2011 U.S. Term Loans [Member]	Sep. 30, 2011 2018 Senior Notes [Member]	Mar. 31, 2012 2018 Senior Notes [Member]	Jan. 31, 2011 2018 Senior Notes [Member]	Mar. 31, 2012 Floating-Rate Debt Interest Rate Swaps [Member]	Dec. 31, 2011 Floating-Rate Debt Interest Rate Swaps [Member]	Mar. 31, 2012 Fixed-Rate Debt Interest Rate Swaps [Member]	Mar. 31, 2012 Credit-Risk-Related Contingent Features [Member]	Mar. 31, 2012 Maximum [Member]	Mar. 31, 2012 Minimum [Member]
Derivative [Line Items]
Total notional amount of interest rate swaps			$ 350,000,000	$ 500,000,000				$ 850,000,000	$ 500,000,000	$ 500,000,000
Debt instrument, maturity date					Nov. 15, 2018
Debt Instrument Maturity Period	January 2014	March 2014
Principal amount of debt instrument							500,000,000
Interest rate						6.00%
Aggregate fair value of all derivative contracts that are in net asset position											35,800,000
Total fair value of convertible note hedge		511,600,000
Pre-tax net losses on cash flow hedges reclassified from AOCE into earnings		27,000,000
Contingent consideration accretion expense		$ 8,200,000
Discount rates												11.00%	3.20%