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Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 27, 2018 | Oct. 27, 2018
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | $ 172,692 | $ 326,880
Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 83,907 | 151,058
Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 88,785 | 175,822
Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 46,069 | 76,638
Commercial | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 31,896 | 56,479
Commercial | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 14,173 | 20,159
Live Events |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 55,099 | 104,571
Live Events | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 12,558 | 19,360
Live Events | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 42,541 | 85,211
High School Park and Recreation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 31,580 | 59,700
High School Park and Recreation | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 22,060 | 39,058
High School Park and Recreation | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 9,520 | 20,642
Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 18,077 | 35,234
Transportation | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 7,267 | 14,499
Transportation | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 10,810 | 20,735
International |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 21,867 | 50,737
International | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 10,126 | 21,662
International | Transferred over Time |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 11,741 | 29,075
Unique Configuration |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 77,583 | 154,330
Unique Configuration | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 11,426 | 14,475
Unique Configuration | Live Events |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 38,283 | 77,204
Unique Configuration | High School Park and Recreation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 6,671 | 15,614
Unique Configuration | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 10,427 | 20,045
Unique Configuration | International |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 10,776 | 26,992
Limited Configuration |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 84,279 | 150,372
Limited Configuration | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 31,385 | 55,252
Limited Configuration | Live Events |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 11,467 | 17,285
Limited Configuration | High School Park and Recreation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 24,381 | 42,928
Limited Configuration | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 7,195 | 14,278
Limited Configuration | International |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 9,851 | 20,629
Service and Other |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 10,830 | 22,178
Service and Other | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 3,258 | 6,911
Service and Other | Live Events |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 5,349 | 10,082
Service and Other | High School Park and Recreation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 528 | 1,158
Service and Other | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | 455 | 911
Service and Other | International |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated revenue | $ 1,240 | $ 3,116

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