Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Intangible amortization expense	$ 81,559
Estimated amortization expense, year ending June 30, 2012	100,529
Estimated amortization expense, year ending June 30, 2013	94,556
Estimated amortization expense, year ending June 30, 2014	90,943
Estimated amortization expense, year ending June 30, 2015	87,143
Estimated amortization expense, year ending June 30, 2016	$ 83,328