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Schedule of Defined Benefit Pension and Postretirement Benefit Plan Assets and Obligation (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 02, 2016
Jul. 03, 2016
Apr. 03, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure                
Actuarial gain (loss) $ 2,000 $ (700) $ 700 $ 1,200 $ (17,700)      
Ending Balance 334,900         $ 334,900    
United States Pension Plans, Defined Benefit                
Defined Benefit Plan Disclosure                
Projected benefit obligation, Beginning of year       351,117   351,117 $ 367,619  
Service cost           2,302 2,462 $ 2,218
Interest cost           13,630 13,142 12,875
Actuarial gain (loss)           6,053 (13,221)  
Benefits paid           (19,486) (18,885)  
Projected benefit obligation, End of year 353,616       351,117 353,616 351,117 367,619
Beginning Balance       298,404   298,404 316,072  
Company contributions           4,489 10,517  
Benefits paid           (19,486) (18,885)  
Actual return on plan assets           23,897 (9,300)  
Benefits paid           (19,486) (18,885)  
Settlements           0 0  
Ending Balance 307,304       298,404 307,304 298,404 316,072
Funded status (46,312)       (52,713) (46,312) (52,713)  
Foreign Pension Plans, Defined Benefit                
Defined Benefit Plan Disclosure                
Projected benefit obligation, Beginning of year       62,290   62,290 58,210  
Service cost           761 1,006 897
Interest cost           1,185 1,444 1,837
Actuarial gain (loss)           5,621 7,498  
Benefits paid           (1,385) (859)  
Curtailment             (634)  
Plan participants' contributions             64  
Expenses paid           (609) (43)  
Non-U.S. currency movement           (7,125) (4,439)  
Projected benefit obligation, End of year 60,738       62,290 60,738 62,290 58,210
Beginning Balance       28,141   28,141 29,511  
Company contributions           867 808  
Plan participants' contributions             64  
Benefits paid           (1,385) (859)  
Actual return on plan assets           5,142 (136)  
Benefits paid           (1,148) (859)  
Settlements           0 0  
Expenses paid           (609) (43)  
Non-U.S. currency movement           (4,822) (1,204)  
Ending Balance 27,571       28,141 27,571 28,141 29,511
Funded status (33,167)       (34,149) (33,167) (34,149)  
Postretirement Benefit Plans                
Defined Benefit Plan Disclosure                
Projected benefit obligation, Beginning of year       $ 6,030   6,030 7,162  
Service cost           37 48 59
Interest cost           218 237 335
Plan amendments           (93)    
Actuarial gain (loss)           5 (648)  
Benefits paid           (687) (769)  
Projected benefit obligation, End of year 5,510       6,030 5,510 6,030 $ 7,162
Company contributions           687 769  
Benefits paid           (687) (769)  
Funded status $ (5,510)       $ (6,030) $ (5,510) $ (6,030)