Derivative Instruments and Hedging Activities - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2018	Mar. 31, 2018
Accumulated other comprehensive gain (loss):
Beginning Balance	$ 287,466	$ 287,466
Ending Balance		238,078
ASU 2018-02 [Member]
Accumulated other comprehensive gain (loss):
Effects of adoption of ASU 2018-02	1,094
Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive gain (loss):
Beginning Balance	$ (5,076)	(5,076)
Other comprehensive income before reclassifications		8,842
Amounts reclassified from accumulated other comprehensive income to interest expense		(1,351)
Unrealized gain on derivatives, net of tax		7,491
Ending Balance		1,321
Gains (Losses) on Cash Flow Hedges [Member] | ASU 2018-02 [Member]
Accumulated other comprehensive gain (loss):
Effects of adoption of ASU 2018-02		$ (1,094)