GOODWILL: (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2012 Component	Mar. 31, 2012	Apr. 02, 2012 U.S. Marketing and Data Services	Apr. 02, 2012 Europe Marketing and Data Services	Apr. 02, 2012 Australia Marketing and Data Services	Apr. 02, 2012 China Marketing and Data Services	Apr. 02, 2012 Brazil Marketing and Data Services	Apr. 02, 2012 U.S. Infrastructure Management	Apr. 02, 2012 U.S. Other Services	Apr. 02, 2012 Europe Other Services
Goodwill information
Number of components tested for impairment	8
Goodwill	$ 381,439	$ 382,285	$ 264,600	$ 19,500	$ 14,900	$ 6,000	$ 1,100	$ 71,500	$ 1,800	$ 2,900
Fair values in excess of the carrying value (as a percent)			11.00%	11.00%	11.00%	11.00%	11.00%	11.00%	11.00%	11.00%

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details