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Long-Lived Assets - Goodwill (Details) $ in Thousands	12 Months Ended
	May. 02, 2015 USD ($)
Goodwill
Balance as of April 26, 2014:	$ 4,558
Goodwill, Written off Related to Sale of Business Unit	(22)
Acquisition, net of cash acquired	1,249
Foreign currency translation	(516)
Balance as of May 2, 2015:	5,269
Live Events
Goodwill
Balance as of April 26, 2014:	2,381
Goodwill, Written off Related to Sale of Business Unit	(22)
Acquisition, net of cash acquired	0
Foreign currency translation	(38)
Balance as of May 2, 2015:	2,321
Commerical
Goodwill
Balance as of April 26, 2014:	723
Goodwill, Written off Related to Sale of Business Unit	0
Acquisition, net of cash acquired	0
Foreign currency translation	(2)
Balance as of May 2, 2015:	721
Transportation
Goodwill
Balance as of April 26, 2014:	129
Goodwill, Written off Related to Sale of Business Unit	0
Acquisition, net of cash acquired	0
Foreign currency translation	(38)
Balance as of May 2, 2015:	91
International
Goodwill
Balance as of April 26, 2014:	1,325
Goodwill, Written off Related to Sale of Business Unit	0
Acquisition, net of cash acquired	1,249
Foreign currency translation	(438)
Balance as of May 2, 2015:	$ 2,136

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



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- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



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-Section 50



-Paragraph 1



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