Represents the additional production capacity due to acquisition of new business.

No definition available.

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- Definition

Amount of working capital adjustments in a business acquisition.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Acquisition (Details) (Severstal Columbus LLC, USD $)	0 Months Ended	3 Months Ended
Acquisition (Details) (Severstal Columbus LLC, USD $)	Sep. 16, 2014 MT	Mar. 31, 2014	Sep. 16, 2014
Business Acquisition Information
Business acquisition percentage	100.00%		100.00%
Purchase price	$ 1,625,000,000
Working capital adjustments	44,400,000
Additional production capacity due to acquisition (in million tons)	3.4
Unaudited pro forma results
Net sales		2,358,273,000
Net Income attributable to Steel Dynamics, Inc.		63,065,000
Senior Notes
Business Acquisition Information
Issuance of Senior Notes	$ 1,200,000,000		1,200,000,000