Segment Information (Segment Data) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 619,598,000	$ 632,720,000	$ 616,232,000	$ 589,219,000	$ 602,891,000	$ 588,798,000	$ 587,021,000	$ 564,795,000	$ 2,457,769,000	$ 2,343,505,000	$ 2,392,864,000
Operating Income	16,580,000	29,254,000	30,965,000	29,241,000	7,174,000	49,621,000	37,859,000	14,769,000	106,040,000	109,423,000	118,801,000
Acquisition and restructuring charges										10,388,000	12,065,000
Accounting review and remediation costs, net of insurance proceeds	2,887,000	$ 3,313,000	$ 4,451,000	3,642,000	9,473,000	$ 7,124,000	$ 7,005,000	$ 5,960,000	9,293,000	29,562,000	0
Long-lived asset and intangibles impairment									14,033,000	40,452,000	43,200,000
Goodwill impairment	7,700,000								7,700,000	0	84,548,000
Trade Names
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment	$ 5,632,000				14,079,000				5,632,000	14,079,000
Rest of World
Segment Reporting Information [Line Items]
Goodwill impairment									7,700,000
Rest of World | Trade Names
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment									5,100,000
United States
Segment Reporting Information [Line Items]
Goodwill impairment									0
United States | Trade Names
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment										6,500,000
United Kingdom
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment					$ 26,373,000					$ 26,373,000	$ 3,476,000
Goodwill impairment				$ 0					0
United Kingdom | Trade Names
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment									$ 532,000
Sales | Customer Concentration Risk | First Customer
Segment Reporting Information [Line Items]
Concentration risk, percentage									11.00%	12.00%	12.00%
Sales | Customer Concentration Risk | Second Customer
Segment Reporting Information [Line Items]
Concentration risk, percentage									11.00%	11.00%	12.00%
Operating Segments
Segment Reporting Information [Line Items]
Net Sales									$ 2,457,769,000	$ 2,343,505,000	$ 2,392,864,000
Operating Income									181,025,000	229,265,000	287,378,000
Operating Segments | Rest of World
Segment Reporting Information [Line Items]
Net Sales									434,869,000	383,942,000	368,864,000
Operating Income									38,660,000	32,010,000	27,898,000
Operating Segments | United States
Segment Reporting Information [Line Items]
Net Sales									1,084,871,000	1,107,806,000	1,164,817,000
Operating Income									86,319,000	145,307,000	188,671,000
Operating Segments | United Kingdom
Segment Reporting Information [Line Items]
Net Sales									938,029,000	851,757,000	859,183,000
Operating Income									56,046,000	51,948,000	70,809,000
Corporate and Other
Segment Reporting Information [Line Items]
Operating Income									(74,985,000)	(119,842,000)	(168,577,000)
Acquisition and restructuring charges									12,841,000
Accounting review and remediation costs, net of insurance proceeds									$ 9,293,000	29,562,000
Long-lived asset and intangibles impairment										14,079,000	39,724,000
Corporate and Other | United States
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment											18,792,000
Corporate and Other | United Kingdom
Segment Reporting Information [Line Items]
Long-lived asset and intangibles impairment										$ 7,579,000	20,932,000
Goodwill impairment											$ 84,548,000