Equifax Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Changes In Accumulated Other Comprehensive Income (Detail)

Changes In Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, December 31, 2012	$ (362.0)
Other comprehensive income before reclassifications	(25.8)
Amounts reclassified from accumulated other comprehensive income	8.0
Net current-period other comprehensive income	(17.8)
Balance, June 30, 2013	(379.8)
Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, December 31, 2012	(83.6)
Other comprehensive income before reclassifications	(23.1)
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive income	(23.1)
Balance, June 30, 2013	(106.7)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, December 31, 2012	(276.4)
Other comprehensive income before reclassifications	(2.7)
Amounts reclassified from accumulated other comprehensive income	8.0
Net current-period other comprehensive income	5.3
Balance, June 30, 2013	(271.1)
Cash Flow Hedging Transactions [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, December 31, 2012	(2.0)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive income	0
Balance, June 30, 2013	$ (2.0)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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