Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Mar. 31, 2018
Definite-lived
Gross Carrying Amount	$ 98,545	$ 98,568
Accum. Amort.	74,593	72,471
Total	23,952	26,097
Total
Gross Carrying Amount	118,260	119,869
Accum. Amort.	82,846	80,724
Net Carrying Amount	35,414	39,145
Non-compete agreements
Definite-lived
Gross Carrying Amount	841	864
Accum. Amort.	841	864
Total	0	0
Customer relationships
Definite-lived
Gross Carrying Amount	97,704	97,704
Accum. Amort.	73,752	71,607
Total	23,952	26,097
Total
Net Carrying Amount	23,952	26,097
Trademarks
Indefinite-lived
Gross Carrying Amount	19,715	21,301
Accum. Amort.	8,253	8,253
Net Carrying Amount	11,462	13,048
Total
Net Carrying Amount	$ 11,462	$ 13,048

Indefinite-lived Intangible Assets, Accumulated Amortization

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Indefinite lived intangible assets, gross

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Intangible Assets, Gross

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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