Revenue Recognition and Account Receivables - Summary of Allowance for Doubtful Accounts (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning balance	$ 10,446	$ 9,121
Additions recognized as a reduction to operating profit	2,995	9,269
Accounts written off, net of recoveries	(3,410)	(8,359)
Ending balance	10,031	10,031
Healthcare Facilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning balance	9,986	8,714
Additions recognized as a reduction to operating profit	2,866	8,883
Accounts written off, net of recoveries	(3,296)	(8,041)
Ending balance	9,556	9,556
Specialty Pharmacy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning balance	460	407
Additions recognized as a reduction to operating profit	129	386
Accounts written off, net of recoveries	(114)	(318)
Ending balance	$ 475	$ 475