Accumulated Other Comprehensive Income - (Detail) (USD $) | 3 Months Ended | | |
In Thousands, unless otherwise specified | Apr. 03, 2015 | Mar. 28, 2014 | Dec. 31, 2014 | Dec. 31, 2013 |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | ($109,139) | ($61,278) | ($109,777) | ($77,120) |
Deferred tax expense (benefit) | -26,737 | -11,369 | -27,540 | -17,232 |
Net | -82,402 | -49,909 | -82,237 | -59,888 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | 1,080 | 14,531 | | |
Amounts reclassified from accumulated other comprehensive income | -442 | 1,311 | | |
Net current period other comprehensive income (loss) before tax | 638 | 15,842 | | |
Deferred taxes on current period activity | 803 | 5,863 | | |
Net change in accumulated other comprehensive income | -165 | 9,979 | | |
Gains and Losses On Cash Flow Hedges [Member] | | | | |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | 4,255 | -96 | 3,456 | -106 |
Deferred tax expense (benefit) | 174 | -1,437 | -122 | -1,440 |
Net | 4,081 | 1,341 | 3,578 | 1,334 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | 2,636 | -92 | | |
Amounts reclassified from accumulated other comprehensive income | -1,837 | 102 | | |
Net current period other comprehensive income (loss) before tax | 799 | 10 | | |
Deferred taxes on current period activity | 296 | 3 | | |
Net change in accumulated other comprehensive income | 503 | 7 | | |
Pension and Post Employment Benefits [Member] | | | | |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | -107,671 | -62,058 | -109,080 | -77,301 |
Deferred tax expense (benefit) | -26,911 | -9,932 | -27,418 | -15,792 |
Net | -80,760 | -52,126 | -81,662 | -61,509 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | 14 | 14,034 | | |
Amounts reclassified from accumulated other comprehensive income | 1,395 | 1,209 | | |
Net current period other comprehensive income (loss) before tax | 1,409 | 15,243 | | |
Deferred taxes on current period activity | 507 | 5,860 | | |
Net change in accumulated other comprehensive income | 902 | 9,383 | | |
Foreign Currency Translation [Member] | | | | |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | -5,723 | 876 | -4,153 | 287 |
Deferred tax expense (benefit) | 0 | 0 | 0 | 0 |
Net | -5,723 | 876 | -4,153 | 287 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | -1,570 | 589 | | |
Amounts reclassified from accumulated other comprehensive income | 0 | 0 | | |
Net current period other comprehensive income (loss) before tax | -1,570 | 589 | | |
Deferred taxes on current period activity | 0 | 0 | | |
Net change in accumulated other comprehensive income | -1,570 | 589 | | |
Foreign Currency [Member] | Gains and Losses On Cash Flow Hedges [Member] | | | | |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | 4,255 | -96 | 3,456 | -87 |
Deferred tax expense (benefit) | 174 | -1,437 | -122 | -1,433 |
Net | 4,081 | 1,341 | 3,578 | 1,346 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | 2,636 | -92 | | |
Amounts reclassified from accumulated other comprehensive income | -1,837 | 83 | | |
Net current period other comprehensive income (loss) before tax | 799 | -9 | | |
Deferred taxes on current period activity | 296 | -4 | | |
Net change in accumulated other comprehensive income | 503 | -5 | | |
Precious Metals [Member] | Gains and Losses On Cash Flow Hedges [Member] | | | | |
Accumulated Other Comprehensive Income (Loss) [Rollward] | | | | |
Gross | 0 | 0 | 0 | -19 |
Deferred tax expense (benefit) | 0 | 0 | 0 | -7 |
Net | 0 | 0 | 0 | -12 |
Activity | | | | |
Other comprehensive income (loss) before reclassifications | 0 | 0 | | |
Amounts reclassified from accumulated other comprehensive income | 0 | 19 | | |
Net current period other comprehensive income (loss) before tax | 0 | 19 | | |
Deferred taxes on current period activity | 0 | 7 | | |
Net change in accumulated other comprehensive income | $0 | $12 | | |