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SHARE-BASED COMPENSATION (Details Textual) (USD $)
1 Months Ended 6 Months Ended
Dec. 31, 2014
May 03, 2015
May 04, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures   10,543us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod 5,058us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 7.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 9.09us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Allocated Share-based Compensation Expense   $ 5,100,000us-gaap_AllocatedShareBasedCompensationExpense $ 5,700,000us-gaap_AllocatedShareBasedCompensationExpense
Proceeds from Stock Options Exercised   354,000us-gaap_ProceedsFromStockOptionsExercised 0us-gaap_ProceedsFromStockOptionsExercised
Proceeds and Excess Tax Benefit from Share-based Compensation   100,000us-gaap_ProceedsAndExcessTaxBenefitFromSharebasedCompensation  
Metrics Based Goals Performance Description The PSU performance goals will be based on three metrics: (1) cumulative free cash flow (weighted 40%); (2) cumulative earnings per share (weighted 40%); and (3) total shareholder return (weighted 20%), in each case during the performance period    
Stock Issued During Period, Shares, Restricted Stock Award, Gross   376,955us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross 147,424us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period   40,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised  
Stock Issued During Period, Value, Restricted Stock Award, Gross   6,500,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross 2,600,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Proceeds from Stock Options Exercised   400,000us-gaap_ProceedsFromStockOptionsExercised
/ us-gaap_AwardTypeAxis
= ncs_IncentivePlanMember
 
Performance Shares [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award Key Employee Awards Grants In Period Fair Value   3,700,000ncs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 200.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
   
Share Based Compensation Arrangement By Share Based Payment Award Granted Value Percentage 60.00%ncs_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedValuePercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
   
Share Based Compensation Arrangement By Share-based Payment Award, Award Vesting Period Description The PSUs vest based on the achievement of performance goals and continued employment, with one-half of the award vesting on December 15, 2016 and the remaining one-half vesting on December 15, 2017    
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award Granted Value Percentage 40.00%ncs_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedValuePercentage
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
   
Share Based Compensation Arrangement By Share-based Payment Award, Award Vesting Period Description The restricted stock is time-vesting based on continued employment, with two-thirds of the restricted stock vesting on December 15, 2016 and one-third vesting on December 15, 2017    
2014 Key Employee Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share Based Compensation Arrangement By Share Based Payment Award Key Employee Awards Grants In Period Fair Value   1,500,000ncs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue
/ us-gaap_AwardTypeAxis
= ncs_TwoThousandAndFourteenKeyEmployeeAwardsMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Description in December 2014, we granted Performance Share Awards to our key employees that will be paid 50% in cash and 50% in stock    
Share Based Compensation Arrangement By Share Based Payment Award Key Employee Awards Grants In Period Cash Value   $ 1,700,000ncs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodCarryingValue
/ us-gaap_AwardTypeAxis
= ncs_TwoThousandAndFourteenKeyEmployeeAwardsMember