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Business Segments and Geographic Information (Details 3) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jul. 01, 2012 | Apr. 01, 2012 | Jan. 01, 2012 | Oct. 02, 2011 | Jul. 03, 2011 | Apr. 03, 2011 | Dec. 31, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Geographical Information |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 378,731 | $ 369,115 | $ 371,174 | $ 360,042 | $ 354,473 | $ 354,728 | $ 356,012 | $ 341,959 | $ 1,479,062 | $ 1,407,172 | $ 1,084,592
Property and equipment, net | 1,687,159 |  |  |  | 1,688,356 |  |  |  | 1,687,159 | 1,688,356 |
U.S. operations |  |  |  |  |  |  |  |  |  |  |
Geographical Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,267,335 | 1,205,775 | 906,025
Property and equipment, net | 1,680,038 |  |  |  | 1,683,124 |  |  |  | 1,680,038 | 1,683,124 |
Australia operations |  |  |  |  |  |  |  |  |  |  |
Geographical Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 159,444 | 150,753 | 130,738
Property and equipment, net | 5,634 |  |  |  | 4,296 |  |  |  | 5,634 | 4,296 |
South African operations |  |  |  |  |  |  |  |  |  |  |
Geographical Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 20,029 | 21,357 | 19,231
Property and equipment, net | 234 |  |  |  | 334 |  |  |  | 234 | 334 |
United Kingdom operations |  |  |  |  |  |  |  |  |  |  |
Geographical Information |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 32,254 | 29,287 | 28,598
Property and equipment, net | $ 1,253 |  |  |  | $ 602 |  |  |  | $ 1,253 | $ 602 |

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- Definition Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 12 -Paragraph 5 -Subparagraph b, c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 + Details
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- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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