Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified Out of AOCI into Income Statement (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	$ 6,299	$ 5,677	$ 13,038	$ 11,574
Warehousing, marketing and administrative expenses	161,695	157,625	334,717	325,303
Tax provision	(4,474)	(7,844)	(146)	(17,821)
Net income (loss)	5,096	$ 12,933	(183,498)	$ 29,463
Amount Reclassified From AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income (loss)	732		1,515
Amount Reclassified From AOCI [Member] | Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax provision	(17)		(68)
Net income (loss)	28		107
Amount Reclassified From AOCI [Member] | Defined Benefit Pension Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Warehousing, marketing and administrative expenses	1,134		2,268
Tax provision	(430)		(860)
Net income (loss)	704		1,408
Amount Reclassified From AOCI [Member] | Interest Rate Swap [Member] | Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	$ 45		$ 175