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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended
Sep. 25, 1996
sites
Apr. 03, 2015
Mar. 28, 2014
Commitments and Contingencies Disclosure [Abstract]      
Number of National Priorities List sites for which the Company is indemnified for substantially all costs related to specifically identified environmental matters 11emax_NumberOfNationalPrioritiesListSitesForWhichCompanyIsIndemnifiedForSubstantiallyAllCostsRelatedToSpecificallyIdentifiedEnvironmentalMatters    
Number of National Priorities List sites for which the Company is indemnified for certain potential costs related to specifically identified environmental matters 9emax_NumberOfNationalPrioritiesListSitesForWhichCompanyIsIndemnifiedForCertainPotentialCostsRelatedToSpecificallyIdentifiedEnvironmentalMatters    
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]      
Balance, beginning of period   $ 3,970us-gaap_ProductWarrantyAccrual $ 5,326us-gaap_ProductWarrantyAccrual
Payments made or service provided   (520)us-gaap_ProductWarrantyAccrualPayments (621)us-gaap_ProductWarrantyAccrualPayments
Warranty expense   467us-gaap_ProductWarrantyAccrualWarrantiesIssued 682us-gaap_ProductWarrantyAccrualWarrantiesIssued
Foreign currency translation   (97)us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease 2us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease
Balance, end of period   $ 3,820us-gaap_ProductWarrantyAccrual $ 5,389us-gaap_ProductWarrantyAccrual