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Financial Services (Details) (USD $)
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3 Months Ended | |||||||||
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Apr. 04, 2015
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Mar. 29, 2014
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Dec. 31, 2014
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| Financial Services [Line Items] | ||||||||||
| Percentage of ownership held by third party in joint venture | 51.00% | |||||||||
| Amount of secured borrowing facility funded for joint venture | $ 1,000,000,000 | |||||||||
| Total investment of subsidiary in joint venture | 17,000,000 | 13,800,000 | 10,800,000 | |||||||
| Maximum loss exposure relating to joint venture [Abstract] | ||||||||||
| Investment | 17,000,000 | 13,800,000 | 10,800,000 | |||||||
| Maximum Loss Exposure Repurchase And Recourse Obligations | 36,800,000 | [1] | 36,900,000 | [1] | 37,300,000 | [1] | ||||
| Liabilities | (1,300,000) | [2] | (1,200,000) | [2] | (1,600,000) | [2] | ||||
| Total maximum loss exposure | 52,500,000 | 49,500,000 | 46,500,000 | |||||||
| Amount of recorded income from joint venture investment | 1,000,000 | 1,100,000 | ||||||||
| Scenario, Previously Reported [Member] | ||||||||||
| Maximum loss exposure relating to joint venture [Abstract] | ||||||||||
| Maximum Loss Exposure Repurchase And Recourse Obligations | $ 51,700,000 | |||||||||
| BAC [Member] | ||||||||||
| Financial Services [Line Items] | ||||||||||
| Percentage of ownership held by BFS in BAC joint venture | 49.00% | |||||||||
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