Long Term Debt - Additional Information (Detail) (USD $) | 0 Months Ended | 6 Months Ended |
In Millions, unless otherwise specified | Jun. 05, 2014 | Jun. 30, 2014 |
Debt Instrument [Line Items] | ' | ' |
Long-term debt, percentage bearing variable interest rate | ' | 0.91% |
Forward Starting Interest Rate Swap Agreement | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument, effective issuance date | 7-Nov-16 | 31-Jul-13 |
Maturity date of debt instrument | 19-Dec-18 | 7-Nov-16 |
Interest rate swap agreements, notional amount | $150 | $150 |
Interest rate on notional value | 2.56% | 1.42% |
2013 Refinancing Credit Agreement | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Deferred financing cost | ' | 1 |
Debt instrument, effective issuance date | ' | 19-Dec-13 |
Maturity date of debt instrument | ' | 19-Dec-18 |
Debt instrument, interest rate, effective percentage | ' | 0.50% |
Debt instrument basis points spread on variable rate | ' | 1.00% |
Minimum interest expense coverage ratio | ' | 3 |
Maximum debt to cash flow ratio | ' | 3.25 |
2013 Refinancing Credit Agreement | Base Rate | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.00% |
2013 Refinancing Credit Agreement | Base Rate | Minimum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.00% |
2013 Refinancing Credit Agreement | Base Rate | Maximum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.75% |
2013 Refinancing Credit Agreement | Alternative Rate | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.75% |
2013 Refinancing Credit Agreement | Alternative Rate | Minimum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.75% |
2013 Refinancing Credit Agreement | Alternative Rate | Maximum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 1.75% |
2011 Refinancing Credit Agreement | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument, effective issuance date | ' | 7-Nov-11 |
Maturity date of debt instrument | ' | 7-Nov-16 |
Debt instrument, interest rate, effective percentage | ' | 0.50% |
Debt instrument basis points spread on variable rate | ' | 1.00% |
2011 Refinancing Credit Agreement | Base Rate | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.00% |
2011 Refinancing Credit Agreement | Base Rate | Minimum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.00% |
2011 Refinancing Credit Agreement | Base Rate | Maximum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.75% |
2011 Refinancing Credit Agreement | Alternative Rate | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 1.00% |
2011 Refinancing Credit Agreement | Alternative Rate | Minimum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 0.75% |
2011 Refinancing Credit Agreement | Alternative Rate | Maximum | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument basis points spread on variable rate | ' | 1.75% |
4.375% Senior Notes, due 2023 | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Deferred financing cost | ' | 2.6 |
Debt instrument, effective issuance date | ' | 31-Aug-13 |
Debt instrument, interest rate, effective percentage | ' | 99.88% |
Maturity date of debt instrument, year | ' | '2023 |
Senior Notes issued | ' | 250 |
Debt Instrument, Interest Rate, Stated Percentage | ' | 4.38% |
6.875% Senior Notes, Due 2013 | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Debt instrument, effective issuance date | ' | 31-Aug-03 |
Maturity date of debt instrument | ' | 31-Jul-13 |
Senior Notes issued | ' | 150 |
Debt Instrument, Interest Rate, Stated Percentage | ' | 6.88% |
Revolving Credit Facility | 2013 Refinancing Credit Agreement | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Revolving credit facility, amount | ' | 800 |
Credit facility loan term, years | ' | '5 years |
Line of credit facility, amount currently available | ' | 531.9 |
Revolving Credit Facility | 2011 Refinancing Credit Agreement | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Revolving credit facility, amount | ' | 600 |
Credit facility loan term, years | ' | '5 years |
Deferred financing cost | ' | 1.9 |
Letter of Credit | ' | ' |
Debt Instrument [Line Items] | ' | ' |
Line of credit facility, current borrowing capacity | ' | $18.10 |