Acquisitions (Allocation of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Sep. 03, 2014	Apr. 30, 2014
Purchase Price
Goodwill	$ 290,867	$ 290,651
Insight Pharmaceuticals
Purchase Price
Cash acquired			$ 3,507
Accounts receivable			26,012
Inventories			23,456
Deferred income tax assets - current			1,032
Prepaids and other current assets			1,341
Property, plant and equipment			2,308
Goodwill			103,560
Intangible assets			724,374
Total assets acquired			885,590
Accounts payable			16,079
Accrued expenses			8,539
Deferred income tax liabilities - long term			107,799
Total liabilities assumed			132,417
Net assets acquired			$ 753,173
Hydralyte
Purchase Price
Inventories				$ 1,970
Property, plant and equipment				1,267
Goodwill				1,224
Intangible assets				73,580
Total assets acquired				78,041
Accrued expenses				38
Other long term liabilities				12
Total liabilities assumed				50
Net assets acquired				$ 77,991