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Summary of Significant Accounting Policies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) Segment shares | Dec. 26, 2015 USD ($) Segment shares | Dec. 27, 2014 USD ($)
Common Stock Split [Abstract] |  |  |
Conversion ratio for stock split | 2 |  |
Number of shares given as stock dividend for each outstanding share (in shares) | shares | 1 |  |
Cash Equivalents [Abstract] |  |  |
Temporary investments | $ 40,900 | $ 106,400 |
Restricted cash | $ 9,000 | $ 3,700 |
Investment in Unconsolidated Affiliate [Abstract] |  |  |
Interest in the Joint Venture | 50.00% |  |
Pension and Other Postretirement Benefit Plans [Abstract] |  |  |
Specified percentage over which unrecognized gains and losses are amortized | 10.00% |  |
Average remaining service period for the pension plans | 9 years |  |
Earnings Per Share [Abstract] |  |  |
Stock-based awards excluded from the computation of diluted earnings per share (in shares) | shares | 190,000 | 427,000 |
Foreign Currency Translation [Abstract] |  |  |
Foreign currency transaction (losses) gains | $ 400 | $ (1,700) | $ 100
Change in Segment Reporting [Abstract] |  |  |
Number of reportable segments | Segment | 3 | 2 |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Excess tax benefits recorded through income tax expense | $ 48,137 | $ 43,382 | $ 45,479
Buildings [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Property, plant and equipment, useful life | 20 years |  |
Buildings [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Property, plant and equipment, useful life | 40 years |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Property, plant and equipment, useful life | 5 years |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Property, plant and equipment, useful life | 20 years |  |
Mueller-Xingrong [Member] |  |  |
Noncontrolling Interest [Line Items] |  |  |
Non-controlling ownership interest | 49.50% |  |
Mueller-Jungwoo [Member] |  |  |
Noncontrolling Interest [Line Items] |  |  |
Non-controlling ownership interest | 40.00% |  |
ASU 2016-09 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Excess tax benefits recorded through income tax expense | $ 900 |  |

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