Segment Information (Net Sales) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenue from External Customer [Line Items]
Net Sales	$ 557,682	$ 599,797	$ 584,156	$ 560,833	$ 619,598	$ 632,720	$ 616,232	$ 589,219	$ 2,302,468	$ 2,457,769	$ 2,343,505
United States
Revenue from External Customer [Line Items]
Net Sales									1,057,625	1,144,832	1,167,688
United Kingdom
Revenue from External Customer [Line Items]
Net Sales									885,488	938,029	851,757
All Other
Revenue from External Customer [Line Items]
Net Sales									359,355	374,908	324,060
Grocery
Revenue from External Customer [Line Items]
Net Sales									1,709,695	1,842,535	1,743,860
Snacks
Revenue from External Customer [Line Items]
Net Sales									298,333	302,795	312,784
Personal Care
Revenue from External Customer [Line Items]
Net Sales									178,966	196,245	176,408
Tea
Revenue from External Customer [Line Items]
Net Sales									$ 115,474	$ 116,194	$ 110,453