Business Segment Information - Geographic Information for Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 24, 2018	Mar. 25, 2018	Dec. 24, 2017	Sep. 24, 2017	Jun. 25, 2017	Mar. 26, 2017	Dec. 25, 2016	Sep. 25, 2016	Jun. 24, 2018	Jun. 25, 2017	Jun. 26, 2016
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales	$ 181,325	$ 165,867	$ 167,478	$ 164,242	$ 171,250	$ 160,896	$ 155,155	$ 159,969	$ 678,912	$ 647,270	$ 643,637
UNITED STATES [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales									420,920	424,490	472,287
BRAZIL [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales									110,587	109,079	83,087
CHINA
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales									90,998
All Other Foreign Countries [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales									56,407	113,701	88,263
Export Sales from US Operations [Member] | UNITED STATES [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Geographic net sales									$ 94,205	$ 104,229	$ 113,725