Segments - Summary of Gross Sales Estimated by Product category (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenue from External Customer
Gross sales	$ 409,651	$ 431,074	$ 1,260,130	$ 1,384,750
Sales Reserves and Eliminations	(27,018)	(31,890)	(83,546)	(97,158)
Total Net Sales	382,633	399,184	1,176,584	1,287,592
Premium Folding Cartons
Revenue from External Customer
Gross sales	245,953	257,827	767,581	842,704
Inserts
Revenue from External Customer
Gross sales	55,996	56,274	172,237	183,361
Labels
Revenue from External Customer
Gross sales	38,087	36,216	106,128	101,865
Rigid Packaging
Revenue from External Customer
Gross sales	20,840	23,181	81,083	89,104
Other Consumer Products
Revenue from External Customer
Gross sales	$ 48,775	$ 57,576	$ 133,101	$ 167,716

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Aggregate of: (i) sales discounts given by the entity, including, but not limited to, early payments of accounts due, (ii) the total deduction from sales during the period arising from goods returned by customers (other than under warranty provisions), and (iii) price reductions (allowance, price protection agreements) given by the entity. Discounts, returns and allowances are a deduction from gross revenue in arriving at net revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 50
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68069731&loc=d3e63676-111659

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(1)(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
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-Section 45
-Paragraph 1
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-Section S99
-Paragraph 2
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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