Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v3.2.0.727
Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 04, 2015
Jul. 04, 2015
Jan. 03, 2015
Fair Value, Measurement Inputs, Disclosure [Line Items]      
Cash proceeds from available-for-sale securities $ 5.9    
Long-term debt, carrying value 1,425.5 $ 1,425.5 $ 1,427.6
Long-term debt, fair value $ 1,646.3 1,646.3 $ 1,684.1
Other income (expense), net      
Fair Value, Measurement Inputs, Disclosure [Line Items]      
Gain recognized from sale of available-for-sale securities   $ 1.5