Restructuring Liabilities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Jul. 02, 2016	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Restructuring Cost and Reserve [Line Items]
Severance and related costs			$ 50,000	$ 172,000
Facility closing costs related to a lease termination settlement			3,000
Restructuring liabilities	$ 23,461		23,461	118,844	$ 56,881	$ 71,218
Estimated withdrawal liabilities			32,636	33,630	32,044
Restructuring charge			74,077	175,785	$ 106
Central States Teamsters Union Pension Plan [Member] | Related Facilities Union Contracts [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge				88,000
Baltimore Maryland Distribution Facility [Member]
Restructuring Cost and Reserve [Line Items]
Costs associated with closure activities			15,000
Benefit realized from settlement of pension withdrawal liabilities			4,000
Restructuring liabilities		$ 55,000
Baltimore Maryland Distribution Facility [Member] | Multi Employer Pension Withdrawal Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Estimated withdrawal liabilities		$ 50,000
Streamline Field Operations [Member]
Restructuring Cost and Reserve [Line Items]
Severance and related costs			20,000	$ 30,000
Streamline Corporate Back Office Organization [Member]
Restructuring Cost and Reserve [Line Items]
Severance and related costs	13,000
Centralize Replenishment Activities [Member]
Restructuring Cost and Reserve [Line Items]
Severance and related costs	7,000
Field Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	3,000		3,000
Corporate Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	11,000		11,000
Replenishment Centralization Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring liabilities	$ 7,000		$ 7,000