Represent additional number of shares of common stock.

No definition available.

Name:	ncs_AdditionalNumberOfSharesIssued
Namespace Prefix:	ncs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of shares issuable upon conversion of convertible securities.

+ References

No definition available.

+ Details

Name:	ncs_ConvertiblePreferredStockSharesIssuableUponConversion
Namespace Prefix:	ncs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Increase in equity due to conversion of convertible preferred stock.

+ References

No definition available.

+ Details

Name:	ncs_IncreaseInEquityDueToConversionOfConvertiblePreferredStock
Namespace Prefix:	ncs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represent par value of stock issued

+ References

No definition available.

+ Details

Name:	ncs_ParValueOfStockIssued
Namespace Prefix:	ncs_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the percentage of voting interest granted.

+ References

No definition available.

+ Details

Name:	ncs_PercentageOfVotingInterestGranted
Namespace Prefix:	ncs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent percentage of voting interest transferred.

+ References

No definition available.

+ Details

Name:	ncs_PercentageOfVotingInterestTransferred
Namespace Prefix:	ncs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ncs_ScheduleOfCumulativeConvertiblePreferredStockLineItems
Namespace Prefix:	ncs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of common stock owned on as converted basis.

+ References

No definition available.

+ Details

Name:	ncs_VotingPercentage
Namespace Prefix:	ncs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

Name:	us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix:
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Balance Type:
Period Type:

CD&R FUNDS (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended	0 Months Ended			6 Months Ended
	Jan. 15, 2014	Oct. 20, 2009	Aug. 14, 2009	Jan. 06, 2014	May 14, 2013	May 03, 2015	May 04, 2014	Nov. 02, 2014
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Common Stock, Shares, Issued						74,148,452us-gaap_CommonStockSharesIssued		73,769,095us-gaap_CommonStockSharesIssued
Selling, General and Administrative Expenses [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Payments of Stock Issuance Costs	$ 0.80
Cd and R Fund Eight [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Preferred Stock, Shares Issued		250,000
Convertible Preferred Stock Shares Issuable Upon Conversion		39,200,000
Percentage Of Voting Interest Granted		68.40%
Cd and R Fund Eight [Member] \| Convertible Preferred Stock [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Stock Issued During Period, Value, New Issues			250.0
Stock Repurchased During Period, Shares			250,000
Cd and R Fund Eight [Member] \| Convertible Preferred Stock [Member] \| Clayton [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Payments of Stock Issuance Costs			14.50
Cd and R Fund Eight [Member] \| Convertible Preferred Stock [Member] \| Dubilier Rice, Inc [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Payments of Stock Issuance Costs			8.25
Cd and R Fund [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Convertible Preferred Stock Shares Issuable Upon Conversion					339,293
Voting Percentage					72.40%
Common Stock, Shares, Issued					54,136,817
Increase in equity due to conversion of convertible preferred stock					620.0
Stock Repurchased During Period, Shares				1,150,000
Percentage Of Voting Interest Transferred						58.60%	58.80%
Par Value Of Stock Issued	$ 18.00
Additional Number Of Shares Issued	1,275,000
Stock Issued During Period, Shares, New Issues	8,500,000
Stock Repurchased During Period, Value				19.7
Cd and R Fund [Member] \| underwriter [Member]
Schedule Of Cumulative Convertible Preferred Stock [Line Items]
Stock Issued During Period, Value, New Issues	$ 167.6
Stock Issued During Period, Shares, New Issues	9,775,000