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Summary of Segment Financial Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 28, 2013 | Sep. 29, 2012 | Sep. 28, 2013 | Sep. 29, 2012 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Revenues from external customers | $ 3,917.7 |  | $ 3,538.6 |  | $ 11,977.9 |  | $ 10,847.6 |  |
Segment earnings | 193.0 | [1] | 169.6 | [1] | 568.4 | [1] | 546.4 | [1] |
Depreciation and amortization | 72.9 |  | 63.3 |  | 208.3 |  | 173.6 |  |
Capital expenditures | 102.8 |  | 120.1 |  | 329.2 |  | 300.5 |  |
Total assets | 8,464.2 | [2] | 7,462.3 |  | 8,464.2 | [2] | 7,462.3 |  | 8,194.1
Seating |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Revenues from external customers | 2,891.7 |  | 2,661.6 |  | 8,872.6 |  | 8,268.8 |  |
Segment earnings | 142.8 | [1] | 154.8 | [1] | 450.7 | [1] | 524.2 | [1] |
Depreciation and amortization | 46.7 |  | 40.7 |  | 133.4 |  | 109.9 |  |
Capital expenditures | 67.3 |  | 83.7 |  | 214.8 |  | 186.4 |  |
Total assets | 4,862.5 |  | 4,414.6 |  | 4,862.5 |  | 4,414.6 |  |
EPMS |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Revenues from external customers | 1,026.0 |  | 877.0 |  | 3,105.3 |  | 2,578.8 |  |
Segment earnings | 111.6 | [1] | 65.2 | [1] | 295.5 | [1] | 176.4 | [1] |
Depreciation and amortization | 24.1 |  | 20.3 |  | 69.2 |  | 57.2 |  |
Capital expenditures | 33.9 |  | 35.6 |  | 107.4 |  | 108.8 |  |
Total assets | 1,728.9 |  | 1,476.8 |  | 1,728.9 |  | 1,476.8 |  |
Corporate and regional headquarters and elimination of intercompany activity ("Other") |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Segment earnings | (61.4) | [1] | (50.4) | [1] | (177.8) | [1] | (154.2) | [1] |
Depreciation and amortization | 2.1 |  | 2.3 |  | 5.7 |  | 6.5 |  |
Capital expenditures | 1.6 |  | 0.8 |  | 7.0 |  | 5.3 |  |
Total assets | $ 1,872.8 |  | $ 1,570.9 |  | $ 1,872.8 |  | $ 1,570.9 |  |
[1] | See definition above.
[2] | Unaudited.

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