Financing Arrangements - Schedule of Term Facility Financial Covenants (Detail) - Term Facility Financial Covenants [Member]	12 Months Ended
	Dec. 31, 2015
Q3 2015 to Q1 2016 [Member] | Maximum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	625.00%
Q3 2015 to Q1 2016 [Member] | Minimum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	100.00%
Q2 2016 to Q4 2016 [Member] | Maximum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	600.00%
Q2 2016 to Q4 2016 [Member] | Minimum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	100.00%
Q1 2017 to Q2 2017 [Member] | Maximum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	550.00%
Q1 2017 to Q2 2017 [Member] | Minimum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	100.00%
Thereafter [Member] | Maximum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	500.00%
Thereafter [Member] | Minimum [Member]
Quarterly Results Of Operations [Line Items]
Total Net Leverage Ratio	100.00%