Revenue Recognition (Summary of contra assets and liability for price concessions) (Detail 1) $ in Thousands	6 Months Ended
	Dec. 31, 2018 USD ($)
Chargebacks
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at June 30, 2018	$ 66,687
Current period provision	344,813
Credits issued during the period	(346,117)
Balance at December 31, 2018	65,383
Returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at June 30, 2018	41,511
Current period provision	8,949
Credits issued during the period	(4,824)
Balance at December 31, 2018	45,636
Government Reimbursed Rebates
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at June 30, 2018	9,658
Current period provision	7,562
Credits issued during the period	(4,227)
Balance at December 31, 2018	12,993
Non-Governmental Rebates & Other
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at June 30, 2018	86,259
Current period provision	83,023
Credits issued during the period	(85,254)
Balance at December 31, 2018	84,028
Sales Discounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at June 30, 2018	6,408
Current period provision	14,541
Credits issued during the period	(14,857)
Balance at December 31, 2018	$ 6,092