Earnings per Share - Schedule of Basic and Diluted Net Income per Share Data (Detail) - USD ($) $ / shares in Units, $ in Thousands			2 Months Ended		3 Months Ended										4 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2015		Sep. 08, 2015		Sep. 06, 2016		Jun. 14, 2016		Mar. 22, 2016		Jun. 16, 2015		Mar. 24, 2015		Jan. 03, 2017	Dec. 29, 2015		Dec. 29, 2015	Jun. 30, 2015	Jan. 03, 2017	Dec. 30, 2014
Denominator:
Dilutive effect (in shares)																					0
Successor
Numerator:
Net income (loss)			$ (2,186)	[1]	$ 4,949	[2]	$ 4,864	[3]	$ 3,061	[4]					$ 8,039	$ 4,839	[5]	$ 2,653		$ 20,913
Denominator:
Weighted-average shares outstanding - basic (in shares)																		38,802,425		38,725,541
Weighted-average shares outstanding - diluted (in shares)																		40,249,993		39,274,649
Net (loss) income per share - basic (in dollars per share)			$ (0.06)		$ 0.13		$ 0.13		$ 0.08						$ 0.21	$ 0.12		$ 0.07		$ 0.54
Net (loss) income per share - diluted (in dollars per share)			$ (0.06)		$ 0.13		$ 0.13		$ 0.08						$ 0.20	$ 0.12		$ 0.07		$ 0.53
Antidilutive options, unvested restricted stock awards, unvested RSUs and warrants excluded from the computations (in shares)																		5,365		8,343,842
Successor | Dilutive effect of restricted shares and RSUs
Denominator:
Dilutive effect (in shares)																		744		263,003
Successor | Dilutive effect of stock options
Denominator:
Dilutive effect (in shares)																		0		0
Successor | Dilutive effect of warrants
Denominator:
Dilutive effect (in shares)																		1,446,824		286,105
Predecessor
Numerator:
Net income (loss)	$ 2,416	[6]									$ 4,628	[7]	$ (4,940)	[8]					$ 2,104		$ (9,255)
Denominator:
Weighted-average shares outstanding - basic (in shares)																			5,492,417		3,907,835
Weighted-average shares outstanding - diluted (in shares)																			5,610,859		3,907,835
Net (loss) income per share - basic (in dollars per share)	$ 0.36										$ 0.69		$ (1.21)						$ 0.38		$ (2.37)
Net (loss) income per share - diluted (in dollars per share)	$ 0.36										$ 0.69		$ (1.21)						$ 0.37		$ (2.37)
Antidilutive options, unvested restricted stock awards, unvested RSUs and warrants excluded from the computations (in shares)																			0		28,831
Predecessor | Dilutive effect of restricted shares and RSUs
Denominator:
Dilutive effect (in shares)																			13,972
Predecessor | Dilutive effect of stock options
Denominator:
Dilutive effect (in shares)																			93,634		0
Predecessor | Dilutive effect of warrants
Denominator:
Dilutive effect (in shares)																			10,836		0

[1] Includes transaction-related costs of $12.0 million.

[2] Includes transaction-related costs of $0.5 million.

[3] Includes transaction-related costs of $0.1 million

[4] Includes transaction-related costs of $0.1 million.

[5] Includes transaction-related costs of $1.0 million.

[6] Includes transaction-related costs of $0.1 million.

[7] Includes transaction related costs of $0.9 million.

[8] Includes transaction-related costs of $6.3 million.