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BASIS OF PRESENTATION (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended			6 Months Ended
	Jan. 07, 2014	Jun. 28, 2014	Mar. 29, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Jan. 07, 2014
BASIS OF PRESENTATION
Length of second and third quarter					91 days
Investment in joint venture under equity method investment
Equity earnings related to investment		$ 0.5		$ 10.1	$ 0.5	$ 19.2
EGS Electrical Group, LLC and Subsidiaries ("EGS")
Investment in joint venture under equity method investment
Percentage of interest held in joint venture sold							44.50%
Cash proceeds from sale of interest in joint venture	574.1
Gain on sale of interest in joint venture			491.2
Lag period for accounting of equity method investment prior to sale	3 months
Equity earnings related to investment		$ 0		$ 9.9	$ 0	$ 19.1

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- Definition

Represents the percentage of ownership interest in joint venture sold.

+ References

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- Definition

Represents the lag period for accounting of equity method investment prior to sale.

+ References

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- Definition

Represents the number of days in the second and third quarter for which the entity reports its quarterly results of operations.

+ References

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- Definition

This item represents the amount of net sales proceeds received on disposal of an equity method investment.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 35

-Paragraph 35

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Amount of gain (loss) on sale or disposal of an equity method investment.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

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

-Publisher FASB

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-SubTopic 10

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-Paragraph 28

-Subparagraph (b)

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