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FAIR VALUE OF FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, unless otherwise specified
May 03, 2015
Nov. 02, 2014
Credit Agreement, Due June 2019 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long Term Debt, Carrying Amount $ 214,149us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= ncs_CreditAgreementDueJune2019Member		 $ 235,387us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= ncs_CreditAgreementDueJune2019Member
Long-term Debt, Fair Value 213,613us-gaap_LongTermDebtFairValue
/ us-gaap_LongtermDebtTypeAxis
= ncs_CreditAgreementDueJune2019Member		 230,091us-gaap_LongTermDebtFairValue
/ us-gaap_LongtermDebtTypeAxis
= ncs_CreditAgreementDueJune2019Member
Senior Notes,due January 2023 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long Term Debt, Carrying Amount 250,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= ncs_SeniorNotesdueJanuary2023Member		 0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= ncs_SeniorNotesdueJanuary2023Member
Long-term Debt, Fair Value $ 265,625us-gaap_LongTermDebtFairValue
/ us-gaap_LongtermDebtTypeAxis
= ncs_SeniorNotesdueJanuary2023Member		 $ 0us-gaap_LongTermDebtFairValue
/ us-gaap_LongtermDebtTypeAxis
= ncs_SeniorNotesdueJanuary2023Member