Stock-Based Compensation Arrangements - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	2 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	7 Months Ended			0 Months Ended
	Feb. 14, 2014 Predecessor [Member]	Sep. 29, 2013 Predecessor [Member]	Sep. 29, 2013 Predecessor [Member]	Sep. 28, 2014 Successor [Member]	Sep. 28, 2014 Successor [Member]		Feb. 14, 2014 Restricted Stock [Member] Predecessor [Member]	Aug. 21, 2014 Employee Stock Option [Member] Director [Member]	Aug. 21, 2014 Employee Stock Option [Member] Tranche A [Member]	Aug. 21, 2014 Employee Stock Option [Member] Tranche B [Member]	Aug. 21, 2014 Employee Stock Option [Member] Tranche C [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price							$ 54.00
Stock-based compensation costs related to the accelerated vesting of restricted stock awards in connection with the Merger	$ 11,108
Options granted (shares)								2,061,927
Vesting period									5 years
Per option fair value (in US$ per share)									$ 2.75	$ 1.09	$ 0.68
Tax benefit related to the accelerated vesting of restricted stock awards	$ 0	$ 77	$ 249	$ 0	$ 5,043	[1]

[1] We recorded the tax benefit related to the accelerated vesting of restricted stock awards in the 226 day period ended September 28, 2014, as such tax benefit will be deductible for income tax purposes on the Successor tax return for fiscal year 2014.