Goodwill And Intangible Assets (Gross Intangible Assets And Related Accumulated Amortization) (Details) $ in Thousands	Apr. 02, 2017 USD ($)
Intangible Assets [Line Items]
Gross Carrying Amount	$ 184,649
Accumulated Amortization	(51,310)
Net carrying value of intangible assets	133,339
Patents [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	5,399
Accumulated Amortization	(5,392)
Non-amortized intangibles (primarily trademarks and trade names) [Member]
Intangible Assets [Line Items]
Accumulated Amortization	0
Non-amortized intangibles	38,471
Customer relationships [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	100,488
Accumulated Amortization	(32,502)
Backlog [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	7,065
Accumulated Amortization	(6,600)
Acquired Technology [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	28,097
Accumulated Amortization	(2,335)
Other [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	5,129
Accumulated Amortization	$ (4,481)